18666578

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 34245504

約数和(自身を除く): 15578926

約数列:

[1, 2, 7, 14, 17, 34, 107, 119, 214, 238, 733, 749, 1466, 1498, 1819, 3638, 5131, 10262, 12461, 12733, 24922, 25466, 78431, 87227, 156862, 174454, 549017, 1098034, 1333327, 2666654, 9333289, 18666578]

約数ペア:

[(1, 18666578), (2, 9333289), (7, 2666654), (14, 1333327), (17, 1098034), (34, 549017), (107, 174454), (119, 156862), (214, 87227), (238, 78431), (733, 25466), (749, 24922), (1466, 12733), (1498, 12461), (1819, 10262), (3638, 5131)]