19852778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2381}}^1$

素因数の和:2773

約数の個数: 16

約数和(自身を含む): 32585760

約数和(自身を除く): 12732982

約数列:

[1, 2, 11, 22, 379, 758, 2381, 4169, 4762, 8338, 26191, 52382, 902399, 1804798, 9926389, 19852778]

約数ペア:

[(1, 19852778), (2, 9926389), (11, 1804798), (22, 902399), (379, 52382), (758, 26191), (2381, 8338), (4169, 4762)]