18764336

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2251}}^1$

素因数の和:2780

約数の個数: 20

約数和(自身を含む): 36441864

約数和(自身を除く): 17677528

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2251, 4168, 4502, 8336, 9004, 18008, 36016, 1172771, 2345542, 4691084, 9382168, 18764336]

約数ペア:

[(1, 18764336), (2, 9382168), (4, 4691084), (8, 2345542), (16, 1172771), (521, 36016), (1042, 18008), (2084, 9004), (2251, 8336), (4168, 4502)]