17872825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 23569920

約数和(自身を除く): 5697095

約数列:

[1, 5, 19, 25, 95, 191, 197, 475, 955, 985, 3629, 3743, 4775, 4925, 18145, 18715, 37627, 90725, 93575, 188135, 714913, 940675, 3574565, 17872825]

約数ペア:

[(1, 17872825), (5, 3574565), (19, 940675), (25, 714913), (95, 188135), (191, 93575), (197, 90725), (475, 37627), (955, 18715), (985, 18145), (3629, 4925), (3743, 4775)]