18510515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3037}}^1$

素因数の和:3118

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 5112973

約数列:

[1, 5, 23, 53, 115, 265, 1219, 3037, 6095, 15185, 69851, 160961, 349255, 804805, 3702103, 18510515]

約数ペア:

[(1, 18510515), (5, 3702103), (23, 804805), (53, 349255), (115, 160961), (265, 69851), (1219, 15185), (3037, 6095)]