18403970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7451}}^1$

素因数の和:7490

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 19154110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7451, 14902, 37255, 74510, 96863, 141569, 193726, 283138, 484315, 707845, 968630, 1415690, 1840397, 3680794, 9201985, 18403970]

約数ペア:

[(1, 18403970), (2, 9201985), (5, 3680794), (10, 1840397), (13, 1415690), (19, 968630), (26, 707845), (38, 484315), (65, 283138), (95, 193726), (130, 141569), (190, 96863), (247, 74510), (494, 37255), (1235, 14902), (2470, 7451)]