19202605

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 24911208

約数和(自身を除く): 5708603

約数列:

[1, 5, 17, 85, 97, 137, 289, 485, 685, 1445, 1649, 2329, 8245, 11645, 13289, 28033, 39593, 66445, 140165, 197965, 225913, 1129565, 3840521, 19202605]

約数ペア:

[(1, 19202605), (5, 3840521), (17, 1129565), (85, 225913), (97, 197965), (137, 140165), (289, 66445), (485, 39593), (685, 28033), (1445, 13289), (1649, 11645), (2329, 8245)]