2018766815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{39869}}^1$

素因数の和:39947

約数の個数: 32

約数和(自身を含む): 2813227200

約数和(自身を除く): 794460385

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 533, 779, 1235, 2665, 3895, 10127, 39869, 50635, 199345, 518297, 757511, 1634629, 2591485, 3787555, 8173145, 9847643, 21250177, 31057951, 49238215, 106250885, 155289755, 403753363, 2018766815]

約数ペア:

[(1, 2018766815), (5, 403753363), (13, 155289755), (19, 106250885), (41, 49238215), (65, 31057951), (95, 21250177), (205, 9847643), (247, 8173145), (533, 3787555), (779, 2591485), (1235, 1634629), (2665, 757511), (3895, 518297), (10127, 199345), (39869, 50635)]