19640496

素因数分解:

$2^4\times 3^1\times {\mathrm{409177}}^1$

素因数の和:409188

約数の個数: 20

約数和(自身を含む): 50738072

約数和(自身を除く): 31097576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409177, 818354, 1227531, 1636708, 2455062, 3273416, 4910124, 6546832, 9820248, 19640496]

約数ペア:

[(1, 19640496), (2, 9820248), (3, 6546832), (4, 4910124), (6, 3273416), (8, 2455062), (12, 1636708), (16, 1227531), (24, 818354), (48, 409177)]