18376490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 39564288

約数和(自身を除く): 21187798

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 170, 187, 310, 317, 341, 374, 527, 634, 682, 935, 1054, 1585, 1705, 1870, 2635, 3170, 3410, 3487, 5270, 5389, 5797, 6974, 9827, 10778, 11594, 17435, 19654, 26945, 28985, 34870, 49135, 53890, 57970, 59279, 98270, 108097, 118558, 167059, 216194, 296395, 334118, 540485, 592790, 835295, 1080970, 1670590, 1837649, 3675298, 9188245, 18376490]

約数ペア:

[(1, 18376490), (2, 9188245), (5, 3675298), (10, 1837649), (11, 1670590), (17, 1080970), (22, 835295), (31, 592790), (34, 540485), (55, 334118), (62, 296395), (85, 216194), (110, 167059), (155, 118558), (170, 108097), (187, 98270), (310, 59279), (317, 57970), (341, 53890), (374, 49135), (527, 34870), (634, 28985), (682, 26945), (935, 19654), (1054, 17435), (1585, 11594), (1705, 10778), (1870, 9827), (2635, 6974), (3170, 5797), (3410, 5389), (3487, 5270)]