18687747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9041}}^1$

素因数の和:9110

約数の個数: 16

約数和(自身を含む): 27343008

約数和(自身を除く): 8655261

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9041, 27123, 117533, 352599, 479173, 1437519, 6229249, 18687747]

約数ペア:

[(1, 18687747), (3, 6229249), (13, 1437519), (39, 479173), (53, 352599), (159, 117533), (689, 27123), (2067, 9041)]