19873100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15287}}^1$

素因数の和:15314

約数の個数: 36

約数和(自身を含む): 46444944

約数和(自身を除く): 26571844

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15287, 30574, 61148, 76435, 152870, 198731, 305740, 382175, 397462, 764350, 794924, 993655, 1528700, 1987310, 3974620, 4968275, 9936550, 19873100]

約数ペア:

[(1, 19873100), (2, 9936550), (4, 4968275), (5, 3974620), (10, 1987310), (13, 1528700), (20, 993655), (25, 794924), (26, 764350), (50, 397462), (52, 382175), (65, 305740), (100, 198731), (130, 152870), (260, 76435), (325, 61148), (650, 30574), (1300, 15287)]