16561388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{607}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 30643200

約数和(自身を除く): 14081812

約数列:

[1, 2, 4, 19, 38, 76, 359, 607, 718, 1214, 1436, 2428, 6821, 11533, 13642, 23066, 27284, 46132, 217913, 435826, 871652, 4140347, 8280694, 16561388]

約数ペア:

[(1, 16561388), (2, 8280694), (4, 4140347), (19, 871652), (38, 435826), (76, 217913), (359, 46132), (607, 27284), (718, 23066), (1214, 13642), (1436, 11533), (2428, 6821)]