18900018

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{33871}}^1$

素因数の和:33910

約数の個数: 24

約数和(自身を含む): 42272256

約数和(自身を除く): 23372238

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 33871, 67742, 101613, 203226, 304839, 609678, 1050001, 2100002, 3150003, 6300006, 9450009, 18900018]

約数ペア:

[(1, 18900018), (2, 9450009), (3, 6300006), (6, 3150003), (9, 2100002), (18, 1050001), (31, 609678), (62, 304839), (93, 203226), (186, 101613), (279, 67742), (558, 33871)]