18507664

素因数分解:

$2^4\times 7^1\times {\mathrm{165247}}^1$

素因数の和:165262

約数の個数: 20

約数和(自身を含む): 40981504

約数和(自身を除く): 22473840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 165247, 330494, 660988, 1156729, 1321976, 2313458, 2643952, 4626916, 9253832, 18507664]

約数ペア:

[(1, 18507664), (2, 9253832), (4, 4626916), (7, 2643952), (8, 2313458), (14, 1321976), (16, 1156729), (28, 660988), (56, 330494), (112, 165247)]