18587604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{221281}}^1$

素因数の和:221295

約数の個数: 24

約数和(自身を含む): 49567168

約数和(自身を除く): 30979564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 221281, 442562, 663843, 885124, 1327686, 1548967, 2655372, 3097934, 4646901, 6195868, 9293802, 18587604]

約数ペア:

[(1, 18587604), (2, 9293802), (3, 6195868), (4, 4646901), (6, 3097934), (7, 2655372), (12, 1548967), (14, 1327686), (21, 885124), (28, 663843), (42, 442562), (84, 221281)]