19884075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11527}}^1$

素因数の和:11563

約数の個数: 24

約数和(自身を含む): 34307328

約数和(自身を除く): 14423253

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11527, 34581, 57635, 172905, 265121, 288175, 795363, 864525, 1325605, 3976815, 6628025, 19884075]

約数ペア:

[(1, 19884075), (3, 6628025), (5, 3976815), (15, 1325605), (23, 864525), (25, 795363), (69, 288175), (75, 265121), (115, 172905), (345, 57635), (575, 34581), (1725, 11527)]