18640475

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3673}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 27334560

約数和(自身を除く): 8694085

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 3673, 5075, 18365, 25711, 91825, 106517, 128555, 532585, 642775, 745619, 2662925, 3728095, 18640475]

約数ペア:

[(1, 18640475), (5, 3728095), (7, 2662925), (25, 745619), (29, 642775), (35, 532585), (145, 128555), (175, 106517), (203, 91825), (725, 25711), (1015, 18365), (3673, 5075)]