19841220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 53541180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 181, 189, 203, 210, 252, 261, 270, 290, 315, 348, 362, 378, 406, 420, 435, 522, 540, 543, 580, 609, 630, 724, 756, 783, 812, 870, 905, 945, 1015, 1044, 1086, 1218, 1260, 1267, 1305, 1566, 1629, 1740, 1810, 1827, 1890, 2030, 2172, 2436, 2534, 2610, 2715, 3045, 3132, 3258, 3620, 3654, 3780, 3801, 3915, 4060, 4887, 5068, 5220, 5249, 5430, 5481, 6090, 6335, 6516, 7308, 7602, 7830, 8145, 9135, 9774, 10498, 10860, 10962, 11403, 12180, 12670, 15204, 15660, 15747, 16290, 18270, 19005, 19548, 20996, 21924, 22806, 24435, 25340, 26245, 27405, 31494, 32580, 34209, 36540, 36743, 38010, 45612, 47241, 48870, 52490, 54810, 57015, 62988, 68418, 73486, 76020, 78735, 94482, 97740, 104980, 109620, 110229, 114030, 136836, 141723, 146972, 157470, 171045, 183715, 188964, 220458, 228060, 236205, 283446, 314940, 330687, 342090, 367430, 440916, 472410, 551145, 566892, 661374, 684180, 708615, 734860, 944820, 992061, 1102290, 1322748, 1417230, 1653435, 1984122, 2204580, 2834460, 3306870, 3968244, 4960305, 6613740, 9920610, 19841220]

約数ペア:

[(1, 19841220), (2, 9920610), (3, 6613740), (4, 4960305), (5, 3968244), (6, 3306870), (7, 2834460), (9, 2204580), (10, 1984122), (12, 1653435), (14, 1417230), (15, 1322748), (18, 1102290), (20, 992061), (21, 944820), (27, 734860), (28, 708615), (29, 684180), (30, 661374), (35, 566892), (36, 551145), (42, 472410), (45, 440916), (54, 367430), (58, 342090), (60, 330687), (63, 314940), (70, 283446), (84, 236205), (87, 228060), (90, 220458), (105, 188964), (108, 183715), (116, 171045), (126, 157470), (135, 146972), (140, 141723), (145, 136836), (174, 114030), (180, 110229), (181, 109620), (189, 104980), (203, 97740), (210, 94482), (252, 78735), (261, 76020), (270, 73486), (290, 68418), (315, 62988), (348, 57015), (362, 54810), (378, 52490), (406, 48870), (420, 47241), (435, 45612), (522, 38010), (540, 36743), (543, 36540), (580, 34209), (609, 32580), (630, 31494), (724, 27405), (756, 26245), (783, 25340), (812, 24435), (870, 22806), (905, 21924), (945, 20996), (1015, 19548), (1044, 19005), (1086, 18270), (1218, 16290), (1260, 15747), (1267, 15660), (1305, 15204), (1566, 12670), (1629, 12180), (1740, 11403), (1810, 10962), (1827, 10860), (1890, 10498), (2030, 9774), (2172, 9135), (2436, 8145), (2534, 7830), (2610, 7602), (2715, 7308), (3045, 6516), (3132, 6335), (3258, 6090), (3620, 5481), (3654, 5430), (3780, 5249), (3801, 5220), (3915, 5068), (4060, 4887)]