19992665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51929}}^1$

素因数の和:51952

約数の個数: 16

約数和(自身を含む): 29911680

約数和(自身を除く): 9919015

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51929, 259645, 363503, 571219, 1817515, 2856095, 3998533, 19992665]

約数ペア:

[(1, 19992665), (5, 3998533), (7, 2856095), (11, 1817515), (35, 571219), (55, 363503), (77, 259645), (385, 51929)]