18498928

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 41168000

約数和(自身を除く): 22669072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 499, 662, 998, 1324, 1996, 2317, 2648, 3493, 3992, 4634, 5296, 6986, 7984, 9268, 13972, 18536, 27944, 37072, 55888, 165169, 330338, 660676, 1156183, 1321352, 2312366, 2642704, 4624732, 9249464, 18498928]

約数ペア:

[(1, 18498928), (2, 9249464), (4, 4624732), (7, 2642704), (8, 2312366), (14, 1321352), (16, 1156183), (28, 660676), (56, 330338), (112, 165169), (331, 55888), (499, 37072), (662, 27944), (998, 18536), (1324, 13972), (1996, 9268), (2317, 7984), (2648, 6986), (3493, 5296), (3992, 4634)]