18711430

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5653}}^1$

素因数の和:5991

約数の個数: 16

約数和(自身を含む): 33788304

約数和(自身を除く): 15076874

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 5653, 11306, 28265, 56530, 1871143, 3742286, 9355715, 18711430]

約数ペア:

[(1, 18711430), (2, 9355715), (5, 3742286), (10, 1871143), (331, 56530), (662, 28265), (1655, 11306), (3310, 5653)]