19894235

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3433}}^1$

素因数の和:3518

約数の個数: 16

約数和(自身を含む): 25548960

約数和(自身を除く): 5654725

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3433, 5795, 17165, 65227, 209413, 326135, 1047065, 3978847, 19894235]

約数ペア:

[(1, 19894235), (5, 3978847), (19, 1047065), (61, 326135), (95, 209413), (305, 65227), (1159, 17165), (3433, 5795)]