19807775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1033}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 26925360

約数和(自身を除く): 7117585

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 767, 1033, 1475, 3835, 5165, 13429, 19175, 25825, 60947, 67145, 304735, 335725, 792311, 1523675, 3961555, 19807775]

約数ペア:

[(1, 19807775), (5, 3961555), (13, 1523675), (25, 792311), (59, 335725), (65, 304735), (295, 67145), (325, 60947), (767, 25825), (1033, 19175), (1475, 13429), (3835, 5165)]