19743100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15187}}^1$

素因数の和:15214

約数の個数: 36

約数和(自身を含む): 46141144

約数和(自身を除く): 26398044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15187, 30374, 60748, 75935, 151870, 197431, 303740, 379675, 394862, 759350, 789724, 987155, 1518700, 1974310, 3948620, 4935775, 9871550, 19743100]

約数ペア:

[(1, 19743100), (2, 9871550), (4, 4935775), (5, 3948620), (10, 1974310), (13, 1518700), (20, 987155), (25, 789724), (26, 759350), (50, 394862), (52, 379675), (65, 303740), (100, 197431), (130, 151870), (260, 75935), (325, 60748), (650, 30374), (1300, 15187)]