19897004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1289}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 37059120

約数和(自身を除く): 17162116

約数列:

[1, 2, 4, 17, 34, 68, 227, 454, 908, 1289, 2578, 3859, 5156, 7718, 15436, 21913, 43826, 87652, 292603, 585206, 1170412, 4974251, 9948502, 19897004]

約数ペア:

[(1, 19897004), (2, 9948502), (4, 4974251), (17, 1170412), (34, 585206), (68, 292603), (227, 87652), (454, 43826), (908, 21913), (1289, 15436), (2578, 7718), (3859, 5156)]