18036006920

素因数分解:

$2^3\times 5^1\times {\mathrm{450900173}}^1$

素因数の和:450900184

約数の個数: 16

約数和(自身を含む): 40581015660

約数和(自身を除く): 22545008740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 450900173, 901800346, 1803600692, 2254500865, 3607201384, 4509001730, 9018003460, 18036006920]

約数ペア:

[(1, 18036006920), (2, 9018003460), (4, 4509001730), (5, 3607201384), (8, 2254500865), (10, 1803600692), (20, 901800346), (40, 450900173)]