19905435

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40213}}^1$

素因数の和:40235

約数の個数: 24

約数和(自身を含む): 37640304

約数和(自身を除く): 17734869

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40213, 120639, 201065, 361917, 442343, 603195, 1327029, 1809585, 2211715, 3981087, 6635145, 19905435]

約数ペア:

[(1, 19905435), (3, 6635145), (5, 3981087), (9, 2211715), (11, 1809585), (15, 1327029), (33, 603195), (45, 442343), (55, 361917), (99, 201065), (165, 120639), (495, 40213)]