18582475

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 25511760

約数和(自身を除く): 6929285

約数列:

[1, 5, 19, 25, 29, 71, 95, 145, 355, 361, 475, 551, 725, 1349, 1775, 1805, 2059, 2755, 6745, 9025, 10295, 10469, 13775, 25631, 33725, 39121, 51475, 52345, 128155, 195605, 261725, 640775, 743299, 978025, 3716495, 18582475]

約数ペア:

[(1, 18582475), (5, 3716495), (19, 978025), (25, 743299), (29, 640775), (71, 261725), (95, 195605), (145, 128155), (355, 52345), (361, 51475), (475, 39121), (551, 33725), (725, 25631), (1349, 13775), (1775, 10469), (1805, 10295), (2059, 9025), (2755, 6745)]