19829825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 26188800

約数和(自身を除く): 6358975

約数列:

[1, 5, 19, 25, 95, 109, 383, 475, 545, 1915, 2071, 2725, 7277, 9575, 10355, 36385, 41747, 51775, 181925, 208735, 793193, 1043675, 3965965, 19829825]

約数ペア:

[(1, 19829825), (5, 3965965), (19, 1043675), (25, 793193), (95, 208735), (109, 181925), (383, 51775), (475, 41747), (545, 36385), (1915, 10355), (2071, 9575), (2725, 7277)]