19997925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11593}}^1$

素因数の和:11629

約数の個数: 24

約数和(自身を含む): 34503744

約数和(自身を除く): 14505819

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11593, 34779, 57965, 173895, 266639, 289825, 799917, 869475, 1333195, 3999585, 6665975, 19997925]

約数ペア:

[(1, 19997925), (3, 6665975), (5, 3999585), (15, 1333195), (23, 869475), (25, 799917), (69, 289825), (75, 266639), (115, 173895), (345, 57965), (575, 34779), (1725, 11593)]