18638768

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5087}}^1$

素因数の和:5324

約数の個数: 20

約数和(自身を含む): 36277440

約数和(自身を除く): 17638672

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5087, 10174, 20348, 40696, 81392, 1164923, 2329846, 4659692, 9319384, 18638768]

約数ペア:

[(1, 18638768), (2, 9319384), (4, 4659692), (8, 2329846), (16, 1164923), (229, 81392), (458, 40696), (916, 20348), (1832, 10174), (3664, 5087)]