18196920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 72576000

約数和(自身を除く): 54379080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 54, 56, 58, 60, 63, 70, 72, 83, 84, 87, 90, 105, 108, 116, 120, 126, 135, 140, 145, 166, 168, 174, 180, 189, 203, 210, 216, 232, 249, 252, 261, 270, 280, 290, 315, 332, 348, 360, 378, 406, 415, 420, 435, 498, 504, 522, 540, 580, 581, 609, 630, 664, 696, 747, 756, 783, 812, 830, 840, 870, 945, 996, 1015, 1044, 1080, 1160, 1162, 1218, 1245, 1260, 1305, 1494, 1512, 1566, 1624, 1660, 1740, 1743, 1827, 1890, 1992, 2030, 2088, 2241, 2324, 2407, 2436, 2490, 2520, 2610, 2905, 2988, 3045, 3132, 3320, 3480, 3486, 3654, 3735, 3780, 3915, 4060, 4482, 4648, 4814, 4872, 4980, 5220, 5229, 5481, 5810, 5976, 6090, 6264, 6972, 7221, 7308, 7470, 7560, 7830, 8120, 8715, 8964, 9135, 9628, 9960, 10440, 10458, 10962, 11205, 11620, 12035, 12180, 13944, 14442, 14616, 14940, 15660, 15687, 16849, 17430, 17928, 18270, 19256, 20916, 21663, 21924, 22410, 23240, 24070, 24360, 26145, 27405, 28884, 29880, 31320, 31374, 33698, 34860, 36105, 36540, 41832, 43326, 43848, 44820, 48140, 50547, 52290, 54810, 57768, 62748, 64989, 67396, 69720, 72210, 73080, 78435, 84245, 86652, 89640, 96280, 101094, 104580, 108315, 109620, 125496, 129978, 134792, 144420, 151641, 156870, 168490, 173304, 202188, 209160, 216630, 219240, 252735, 259956, 288840, 303282, 313740, 324945, 336980, 404376, 433260, 454923, 505470, 519912, 606564, 627480, 649890, 673960, 758205, 866520, 909846, 1010940, 1213128, 1299780, 1516410, 1819692, 2021880, 2274615, 2599560, 3032820, 3639384, 4549230, 6065640, 9098460, 18196920]

約数ペア:

[(1, 18196920), (2, 9098460), (3, 6065640), (4, 4549230), (5, 3639384), (6, 3032820), (7, 2599560), (8, 2274615), (9, 2021880), (10, 1819692), (12, 1516410), (14, 1299780), (15, 1213128), (18, 1010940), (20, 909846), (21, 866520), (24, 758205), (27, 673960), (28, 649890), (29, 627480), (30, 606564), (35, 519912), (36, 505470), (40, 454923), (42, 433260), (45, 404376), (54, 336980), (56, 324945), (58, 313740), (60, 303282), (63, 288840), (70, 259956), (72, 252735), (83, 219240), (84, 216630), (87, 209160), (90, 202188), (105, 173304), (108, 168490), (116, 156870), (120, 151641), (126, 144420), (135, 134792), (140, 129978), (145, 125496), (166, 109620), (168, 108315), (174, 104580), (180, 101094), (189, 96280), (203, 89640), (210, 86652), (216, 84245), (232, 78435), (249, 73080), (252, 72210), (261, 69720), (270, 67396), (280, 64989), (290, 62748), (315, 57768), (332, 54810), (348, 52290), (360, 50547), (378, 48140), (406, 44820), (415, 43848), (420, 43326), (435, 41832), (498, 36540), (504, 36105), (522, 34860), (540, 33698), (580, 31374), (581, 31320), (609, 29880), (630, 28884), (664, 27405), (696, 26145), (747, 24360), (756, 24070), (783, 23240), (812, 22410), (830, 21924), (840, 21663), (870, 20916), (945, 19256), (996, 18270), (1015, 17928), (1044, 17430), (1080, 16849), (1160, 15687), (1162, 15660), (1218, 14940), (1245, 14616), (1260, 14442), (1305, 13944), (1494, 12180), (1512, 12035), (1566, 11620), (1624, 11205), (1660, 10962), (1740, 10458), (1743, 10440), (1827, 9960), (1890, 9628), (1992, 9135), (2030, 8964), (2088, 8715), (2241, 8120), (2324, 7830), (2407, 7560), (2436, 7470), (2490, 7308), (2520, 7221), (2610, 6972), (2905, 6264), (2988, 6090), (3045, 5976), (3132, 5810), (3320, 5481), (3480, 5229), (3486, 5220), (3654, 4980), (3735, 4872), (3780, 4814), (3915, 4648), (4060, 4482)]