18439160

素因数分解:

$2^3\times 5^1\times {\mathrm{460979}}^1$

素因数の和:460990

約数の個数: 16

約数和(自身を含む): 41488200

約数和(自身を除く): 23049040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460979, 921958, 1843916, 2304895, 3687832, 4609790, 9219580, 18439160]

約数ペア:

[(1, 18439160), (2, 9219580), (4, 4609790), (5, 3687832), (8, 2304895), (10, 1843916), (20, 921958), (40, 460979)]