18313815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4983

約数の個数: 32

約数和(自身を含む): 33223680

約数和(自身を除く): 14909865

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 4943, 14829, 24715, 64259, 74145, 93917, 192777, 281751, 321295, 469585, 963885, 1220921, 1408755, 3662763, 6104605, 18313815]

約数ペア:

[(1, 18313815), (3, 6104605), (5, 3662763), (13, 1408755), (15, 1220921), (19, 963885), (39, 469585), (57, 321295), (65, 281751), (95, 192777), (195, 93917), (247, 74145), (285, 64259), (741, 24715), (1235, 14829), (3705, 4943)]