18386240

素因数分解:

$2^6\times 5^1\times {\mathrm{57457}}^1$

素因数の和:57474

約数の個数: 28

約数和(自身を含む): 43782996

約数和(自身を除く): 25396756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 57457, 114914, 229828, 287285, 459656, 574570, 919312, 1149140, 1838624, 2298280, 3677248, 4596560, 9193120, 18386240]

約数ペア:

[(1, 18386240), (2, 9193120), (4, 4596560), (5, 3677248), (8, 2298280), (10, 1838624), (16, 1149140), (20, 919312), (32, 574570), (40, 459656), (64, 287285), (80, 229828), (160, 114914), (320, 57457)]