18885960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 66830400

約数和(自身を除く): 47944440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 67, 72, 81, 87, 90, 108, 116, 120, 134, 135, 145, 162, 174, 180, 201, 216, 232, 243, 261, 268, 270, 290, 324, 335, 348, 360, 402, 405, 435, 486, 522, 536, 540, 580, 603, 648, 670, 696, 783, 804, 810, 870, 972, 1005, 1044, 1080, 1160, 1206, 1215, 1305, 1340, 1566, 1608, 1620, 1740, 1809, 1943, 1944, 2010, 2088, 2349, 2412, 2430, 2610, 2680, 3015, 3132, 3240, 3480, 3618, 3886, 3915, 4020, 4698, 4824, 4860, 5220, 5427, 5829, 6030, 6264, 7047, 7236, 7772, 7830, 8040, 9045, 9396, 9715, 9720, 10440, 10854, 11658, 11745, 12060, 14094, 14472, 15544, 15660, 16281, 17487, 18090, 18792, 19430, 21708, 23316, 23490, 24120, 27135, 28188, 29145, 31320, 32562, 34974, 35235, 36180, 38860, 43416, 46632, 46980, 52461, 54270, 56376, 58290, 65124, 69948, 70470, 72360, 77720, 81405, 87435, 93960, 104922, 108540, 116580, 130248, 139896, 140940, 157383, 162810, 174870, 209844, 217080, 233160, 262305, 281880, 314766, 325620, 349740, 419688, 472149, 524610, 629532, 651240, 699480, 786915, 944298, 1049220, 1259064, 1573830, 1888596, 2098440, 2360745, 3147660, 3777192, 4721490, 6295320, 9442980, 18885960]

約数ペア:

[(1, 18885960), (2, 9442980), (3, 6295320), (4, 4721490), (5, 3777192), (6, 3147660), (8, 2360745), (9, 2098440), (10, 1888596), (12, 1573830), (15, 1259064), (18, 1049220), (20, 944298), (24, 786915), (27, 699480), (29, 651240), (30, 629532), (36, 524610), (40, 472149), (45, 419688), (54, 349740), (58, 325620), (60, 314766), (67, 281880), (72, 262305), (81, 233160), (87, 217080), (90, 209844), (108, 174870), (116, 162810), (120, 157383), (134, 140940), (135, 139896), (145, 130248), (162, 116580), (174, 108540), (180, 104922), (201, 93960), (216, 87435), (232, 81405), (243, 77720), (261, 72360), (268, 70470), (270, 69948), (290, 65124), (324, 58290), (335, 56376), (348, 54270), (360, 52461), (402, 46980), (405, 46632), (435, 43416), (486, 38860), (522, 36180), (536, 35235), (540, 34974), (580, 32562), (603, 31320), (648, 29145), (670, 28188), (696, 27135), (783, 24120), (804, 23490), (810, 23316), (870, 21708), (972, 19430), (1005, 18792), (1044, 18090), (1080, 17487), (1160, 16281), (1206, 15660), (1215, 15544), (1305, 14472), (1340, 14094), (1566, 12060), (1608, 11745), (1620, 11658), (1740, 10854), (1809, 10440), (1943, 9720), (1944, 9715), (2010, 9396), (2088, 9045), (2349, 8040), (2412, 7830), (2430, 7772), (2610, 7236), (2680, 7047), (3015, 6264), (3132, 6030), (3240, 5829), (3480, 5427), (3618, 5220), (3886, 4860), (3915, 4824), (4020, 4698)]