19286891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 22153824

約数和(自身を除く): 2866933

約数列:

[1, 13, 17, 197, 221, 443, 2561, 3349, 5759, 7531, 43537, 87271, 97903, 1134523, 1483607, 19286891]

約数ペア:

[(1, 19286891), (13, 1483607), (17, 1134523), (197, 97903), (221, 87271), (443, 43537), (2561, 7531), (3349, 5759)]