18149235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 31519488

約数和(自身を除く): 13370253

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 571, 815, 1713, 2119, 2445, 2855, 6357, 7423, 8565, 10595, 22269, 31785, 37115, 93073, 111345, 279219, 465365, 1209949, 1396095, 3629847, 6049745, 18149235]

約数ペア:

[(1, 18149235), (3, 6049745), (5, 3629847), (13, 1396095), (15, 1209949), (39, 465365), (65, 279219), (163, 111345), (195, 93073), (489, 37115), (571, 31785), (815, 22269), (1713, 10595), (2119, 8565), (2445, 7423), (2855, 6357)]