18436860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7907

約数の個数: 72

約数和(自身を含む): 60234720

約数和(自身を除く): 41797860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7879, 15758, 23637, 31516, 39395, 47274, 70911, 78790, 94548, 102427, 118185, 141822, 157580, 204854, 236370, 283644, 307281, 354555, 409708, 472740, 512135, 614562, 709110, 921843, 1024270, 1229124, 1418220, 1536405, 1843686, 2048540, 3072810, 3687372, 4609215, 6145620, 9218430, 18436860]

約数ペア:

[(1, 18436860), (2, 9218430), (3, 6145620), (4, 4609215), (5, 3687372), (6, 3072810), (9, 2048540), (10, 1843686), (12, 1536405), (13, 1418220), (15, 1229124), (18, 1024270), (20, 921843), (26, 709110), (30, 614562), (36, 512135), (39, 472740), (45, 409708), (52, 354555), (60, 307281), (65, 283644), (78, 236370), (90, 204854), (117, 157580), (130, 141822), (156, 118185), (180, 102427), (195, 94548), (234, 78790), (260, 70911), (390, 47274), (468, 39395), (585, 31516), (780, 23637), (1170, 15758), (2340, 7879)]