19909086

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77167}}^1$

素因数の和:77215

約数の個数: 16

約数和(自身を含む): 40744704

約数和(自身を除く): 20835618

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77167, 154334, 231501, 463002, 3318181, 6636362, 9954543, 19909086]

約数ペア:

[(1, 19909086), (2, 9954543), (3, 6636362), (6, 3318181), (43, 463002), (86, 231501), (129, 154334), (258, 77167)]