2019909190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{817777}}^1$

素因数の和:817816

約数の個数: 32

約数和(自身を含む): 4121601120

約数和(自身を除く): 2101691930

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 817777, 1635554, 4088885, 8177770, 10631101, 15537763, 21262202, 31075526, 53155505, 77688815, 106311010, 155377630, 201990919, 403981838, 1009954595, 2019909190]

約数ペア:

[(1, 2019909190), (2, 1009954595), (5, 403981838), (10, 201990919), (13, 155377630), (19, 106311010), (26, 77688815), (38, 53155505), (65, 31075526), (95, 21262202), (130, 15537763), (190, 10631101), (247, 8177770), (494, 4088885), (1235, 1635554), (2470, 817777)]