18669220

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1151}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 39287808

約数和(自身を除く): 20618588

約数列:

[1, 2, 4, 5, 10, 20, 811, 1151, 1622, 2302, 3244, 4055, 4604, 5755, 8110, 11510, 16220, 23020, 933461, 1866922, 3733844, 4667305, 9334610, 18669220]

約数ペア:

[(1, 18669220), (2, 9334610), (4, 4667305), (5, 3733844), (10, 1866922), (20, 933461), (811, 23020), (1151, 16220), (1622, 11510), (2302, 8110), (3244, 5755), (4055, 4604)]