19498725

素因数分解:

$3^4\times 5^2\times {\mathrm{9629}}^1$

素因数の和:9651

約数の個数: 30

約数和(自身を含む): 36122130

約数和(自身を除く): 16623405

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9629, 28887, 48145, 86661, 144435, 240725, 259983, 433305, 722175, 779949, 1299915, 2166525, 3899745, 6499575, 19498725]

約数ペア:

[(1, 19498725), (3, 6499575), (5, 3899745), (9, 2166525), (15, 1299915), (25, 779949), (27, 722175), (45, 433305), (75, 259983), (81, 240725), (135, 144435), (225, 86661), (405, 48145), (675, 28887), (2025, 9629)]