17852780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 43061760

約数和(自身を除く): 25208980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4271, 8542, 17084, 21355, 42710, 46981, 81149, 85420, 93962, 162298, 187924, 234905, 324596, 405745, 469810, 811490, 892639, 939620, 1622980, 1785278, 3570556, 4463195, 8926390, 17852780]

約数ペア:

[(1, 17852780), (2, 8926390), (4, 4463195), (5, 3570556), (10, 1785278), (11, 1622980), (19, 939620), (20, 892639), (22, 811490), (38, 469810), (44, 405745), (55, 324596), (76, 234905), (95, 187924), (110, 162298), (190, 93962), (209, 85420), (220, 81149), (380, 46981), (418, 42710), (836, 21355), (1045, 17084), (2090, 8542), (4180, 4271)]