18819372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 72

約数和(自身を含む): 52031728

約数和(自身を除く): 33212356

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 997, 1452, 1573, 1716, 1994, 2991, 3146, 3988, 4719, 5982, 6292, 9438, 10967, 11964, 12961, 18876, 21934, 25922, 32901, 38883, 43868, 51844, 65802, 77766, 120637, 131604, 142571, 155532, 241274, 285142, 361911, 427713, 482548, 570284, 723822, 855426, 1447644, 1568281, 1710852, 3136562, 4704843, 6273124, 9409686, 18819372]

約数ペア:

[(1, 18819372), (2, 9409686), (3, 6273124), (4, 4704843), (6, 3136562), (11, 1710852), (12, 1568281), (13, 1447644), (22, 855426), (26, 723822), (33, 570284), (39, 482548), (44, 427713), (52, 361911), (66, 285142), (78, 241274), (121, 155532), (132, 142571), (143, 131604), (156, 120637), (242, 77766), (286, 65802), (363, 51844), (429, 43868), (484, 38883), (572, 32901), (726, 25922), (858, 21934), (997, 18876), (1452, 12961), (1573, 11964), (1716, 10967), (1994, 9438), (2991, 6292), (3146, 5982), (3988, 4719)]