18310120

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{701}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 41319720

約数和(自身を除く): 23009600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 701, 1306, 1402, 2612, 2804, 3265, 3505, 5224, 5608, 6530, 7010, 13060, 14020, 26120, 28040, 457753, 915506, 1831012, 2288765, 3662024, 4577530, 9155060, 18310120]

約数ペア:

[(1, 18310120), (2, 9155060), (4, 4577530), (5, 3662024), (8, 2288765), (10, 1831012), (20, 915506), (40, 457753), (653, 28040), (701, 26120), (1306, 14020), (1402, 13060), (2612, 7010), (2804, 6530), (3265, 5608), (3505, 5224)]