19971592

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60889}}^1$

素因数の和:60936

約数の個数: 16

約数和(自身を含む): 38360700

約数和(自身を除く): 18389108

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60889, 121778, 243556, 487112, 2496449, 4992898, 9985796, 19971592]

約数ペア:

[(1, 19971592), (2, 9985796), (4, 4992898), (8, 2496449), (41, 487112), (82, 243556), (164, 121778), (328, 60889)]