18942250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4457}}^1$

素因数の和:4491

約数の個数: 32

約数和(自身を含む): 37554192

約数和(自身を除く): 18611942

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4457, 8914, 22285, 44570, 75769, 111425, 151538, 222850, 378845, 557125, 757690, 1114250, 1894225, 3788450, 9471125, 18942250]

約数ペア:

[(1, 18942250), (2, 9471125), (5, 3788450), (10, 1894225), (17, 1114250), (25, 757690), (34, 557125), (50, 378845), (85, 222850), (125, 151538), (170, 111425), (250, 75769), (425, 44570), (850, 22285), (2125, 8914), (4250, 4457)]