18355280

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^2$

素因数の和:971

約数の個数: 30

約数和(自身を含む): 42765306

約数和(自身を除く): 24410026

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2395, 3832, 4790, 7664, 9580, 19160, 38320, 229441, 458882, 917764, 1147205, 1835528, 2294410, 3671056, 4588820, 9177640, 18355280]

約数ペア:

[(1, 18355280), (2, 9177640), (4, 4588820), (5, 3671056), (8, 2294410), (10, 1835528), (16, 1147205), (20, 917764), (40, 458882), (80, 229441), (479, 38320), (958, 19160), (1916, 9580), (2395, 7664), (3832, 4790)]