18316640

素因数分解:

$2^5\times 5^1\times {\mathrm{114479}}^1$

素因数の和:114494

約数の個数: 24

約数和(自身を含む): 43273440

約数和(自身を除く): 24956800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 114479, 228958, 457916, 572395, 915832, 1144790, 1831664, 2289580, 3663328, 4579160, 9158320, 18316640]

約数ペア:

[(1, 18316640), (2, 9158320), (4, 4579160), (5, 3663328), (8, 2289580), (10, 1831664), (16, 1144790), (20, 915832), (32, 572395), (40, 457916), (80, 228958), (160, 114479)]