3801899810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20009999}}^1$

素因数の和:20010025

約数の個数: 16

約数和(自身を含む): 7203600000

約数和(自身を除く): 3401700190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 20009999, 40019998, 100049995, 200099990, 380189981, 760379962, 1900949905, 3801899810]

約数ペア:

[(1, 3801899810), (2, 1900949905), (5, 760379962), (10, 380189981), (19, 200099990), (38, 100049995), (95, 40019998), (190, 20009999)]