19264765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 26307288

約数和(自身を除く): 7042523

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 821, 1235, 1805, 4105, 4693, 10673, 15599, 23465, 53365, 77995, 202787, 296381, 1013935, 1481905, 3852953, 19264765]

約数ペア:

[(1, 19264765), (5, 3852953), (13, 1481905), (19, 1013935), (65, 296381), (95, 202787), (247, 77995), (361, 53365), (821, 23465), (1235, 15599), (1805, 10673), (4105, 4693)]