18791661232

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{31742671}}^1$

素因数の和:31742716

約数の個数: 20

約数和(自身を含む): 37392867616

約数和(自身を除く): 18601206384

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 31742671, 63485342, 126970684, 253941368, 507882736, 1174478827, 2348957654, 4697915308, 9395830616, 18791661232]

約数ペア:

[(1, 18791661232), (2, 9395830616), (4, 4697915308), (8, 2348957654), (16, 1174478827), (37, 507882736), (74, 253941368), (148, 126970684), (296, 63485342), (592, 31742671)]