19978638

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{195869}}^1$

素因数の和:195891

約数の個数: 16

約数和(自身を含む): 42307920

約数和(自身を除く): 22329282

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 195869, 391738, 587607, 1175214, 3329773, 6659546, 9989319, 19978638]

約数ペア:

[(1, 19978638), (2, 9989319), (3, 6659546), (6, 3329773), (17, 1175214), (34, 587607), (51, 391738), (102, 195869)]