18883940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55541}}^1$

素因数の和:55567

約数の個数: 24

約数和(自身を含む): 41989752

約数和(自身を除く): 23105812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55541, 111082, 222164, 277705, 555410, 944197, 1110820, 1888394, 3776788, 4720985, 9441970, 18883940]

約数ペア:

[(1, 18883940), (2, 9441970), (4, 4720985), (5, 3776788), (10, 1888394), (17, 1110820), (20, 944197), (34, 555410), (68, 277705), (85, 222164), (170, 111082), (340, 55541)]