18067940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4831}}^1$

素因数の和:4868

約数の個数: 48

約数和(自身を含む): 43835904

約数和(自身を除く): 25767964

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4831, 9662, 19324, 24155, 48310, 53141, 82127, 96620, 106282, 164254, 212564, 265705, 328508, 410635, 531410, 821270, 903397, 1062820, 1642540, 1806794, 3613588, 4516985, 9033970, 18067940]

約数ペア:

[(1, 18067940), (2, 9033970), (4, 4516985), (5, 3613588), (10, 1806794), (11, 1642540), (17, 1062820), (20, 903397), (22, 821270), (34, 531410), (44, 410635), (55, 328508), (68, 265705), (85, 212564), (110, 164254), (170, 106282), (187, 96620), (220, 82127), (340, 53141), (374, 48310), (748, 24155), (935, 19324), (1870, 9662), (3740, 4831)]