18855390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2269}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 45436320

約数和(自身を除く): 26580930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2269, 2770, 4155, 4538, 6807, 8310, 11345, 13614, 22690, 34035, 68070, 628513, 1257026, 1885539, 3142565, 3771078, 6285130, 9427695, 18855390]

約数ペア:

[(1, 18855390), (2, 9427695), (3, 6285130), (5, 3771078), (6, 3142565), (10, 1885539), (15, 1257026), (30, 628513), (277, 68070), (554, 34035), (831, 22690), (1385, 13614), (1662, 11345), (2269, 8310), (2770, 6807), (4155, 4538)]