18195140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29347}}^1$

素因数の和:29387

約数の個数: 24

約数和(自身を含む): 39443712

約数和(自身を除く): 21248572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29347, 58694, 117388, 146735, 293470, 586940, 909757, 1819514, 3639028, 4548785, 9097570, 18195140]

約数ペア:

[(1, 18195140), (2, 9097570), (4, 4548785), (5, 3639028), (10, 1819514), (20, 909757), (31, 586940), (62, 293470), (124, 146735), (155, 117388), (310, 58694), (620, 29347)]