71819810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{377999}}^1$

素因数の和:378025

約数の個数: 16

約数和(自身を含む): 136080000

約数和(自身を除く): 64260190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 377999, 755998, 1889995, 3779990, 7181981, 14363962, 35909905, 71819810]

約数ペア:

[(1, 71819810), (2, 35909905), (5, 14363962), (10, 7181981), (19, 3779990), (38, 1889995), (95, 755998), (190, 377999)]