19998942

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{31151}}^1$

素因数の和:31263

約数の個数: 16

約数和(自身を含む): 40372992

約数和(自身を除く): 20374050

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 31151, 62302, 93453, 186906, 3333157, 6666314, 9999471, 19998942]

約数ペア:

[(1, 19998942), (2, 9999471), (3, 6666314), (6, 3333157), (107, 186906), (214, 93453), (321, 62302), (642, 31151)]