18437360

素因数分解:

$2^4\times 5^1\times {\mathrm{230467}}^1$

素因数の和:230480

約数の個数: 20

約数和(自身を含む): 42867048

約数和(自身を除く): 24429688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230467, 460934, 921868, 1152335, 1843736, 2304670, 3687472, 4609340, 9218680, 18437360]

約数ペア:

[(1, 18437360), (2, 9218680), (4, 4609340), (5, 3687472), (8, 2304670), (10, 1843736), (16, 1152335), (20, 921868), (40, 460934), (80, 230467)]