18662240

素因数分解:

$2^5\times 5^1\times {\mathrm{116639}}^1$

素因数の和:116654

約数の個数: 24

約数和(自身を含む): 44089920

約数和(自身を除く): 25427680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 116639, 233278, 466556, 583195, 933112, 1166390, 1866224, 2332780, 3732448, 4665560, 9331120, 18662240]

約数ペア:

[(1, 18662240), (2, 9331120), (4, 4665560), (5, 3732448), (8, 2332780), (10, 1866224), (16, 1166390), (20, 933112), (32, 583195), (40, 466556), (80, 233278), (160, 116639)]