81103210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{426859}}^1$

素因数の和:426885

約数の個数: 16

約数和(自身を含む): 153669600

約数和(自身を除く): 72566390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 426859, 853718, 2134295, 4268590, 8110321, 16220642, 40551605, 81103210]

約数ペア:

[(1, 81103210), (2, 40551605), (5, 16220642), (10, 8110321), (19, 4268590), (38, 2134295), (95, 853718), (190, 426859)]