18996825

素因数分解:

$3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1051}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 31568416

約数和(自身を除く): 12571591

約数列:

[1, 3, 5, 15, 25, 75, 241, 723, 1051, 1205, 3153, 3615, 5255, 6025, 15765, 18075, 26275, 78825, 253291, 759873, 1266455, 3799365, 6332275, 18996825]

約数ペア:

[(1, 18996825), (3, 6332275), (5, 3799365), (15, 1266455), (25, 759873), (75, 253291), (241, 78825), (723, 26275), (1051, 18075), (1205, 15765), (3153, 6025), (3615, 5255)]