18428575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3567

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 7819745

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 3527, 5225, 17635, 38797, 67013, 88175, 193985, 335065, 737143, 969925, 1675325, 3685715, 18428575]

約数ペア:

[(1, 18428575), (5, 3685715), (11, 1675325), (19, 969925), (25, 737143), (55, 335065), (95, 193985), (209, 88175), (275, 67013), (475, 38797), (1045, 17635), (3527, 5225)]