19389898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8237}}^1$

素因数の和:8357

約数の個数: 16

約数和(自身を含む): 32029344

約数和(自身を除く): 12639446

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 8237, 16474, 90607, 181214, 881359, 1762718, 9694949, 19389898]

約数ペア:

[(1, 19389898), (2, 9694949), (11, 1762718), (22, 881359), (107, 181214), (214, 90607), (1177, 16474), (2354, 8237)]