18259480

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{953}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 22953320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 953, 958, 1906, 1916, 2395, 3812, 3832, 4765, 4790, 7624, 9530, 9580, 19060, 19160, 38120, 456487, 912974, 1825948, 2282435, 3651896, 4564870, 9129740, 18259480]

約数ペア:

[(1, 18259480), (2, 9129740), (4, 4564870), (5, 3651896), (8, 2282435), (10, 1825948), (20, 912974), (40, 456487), (479, 38120), (953, 19160), (958, 19060), (1906, 9580), (1916, 9530), (2395, 7624), (3812, 4790), (3832, 4765)]