18656235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31891}}^1$

素因数の和:31915

約数の個数: 24

約数和(自身を含む): 34826064

約数和(自身を除く): 16169829

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31891, 95673, 159455, 287019, 414583, 478365, 1243749, 1435095, 2072915, 3731247, 6218745, 18656235]

約数ペア:

[(1, 18656235), (3, 6218745), (5, 3731247), (9, 2072915), (13, 1435095), (15, 1243749), (39, 478365), (45, 414583), (65, 287019), (117, 159455), (195, 95673), (585, 31891)]