1915515940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{26597}}^1$

素因数の和:26896

約数の個数: 48

約数和(自身を含む): 4347815472

約数和(自身を除く): 2432299532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 3601, 5540, 7202, 14404, 18005, 26597, 36010, 53194, 72020, 106388, 132985, 265970, 345761, 531940, 691522, 1383044, 1728805, 3457610, 6915220, 7367369, 14734738, 29469476, 36836845, 73673690, 95775797, 147347380, 191551594, 383103188, 478878985, 957757970, 1915515940]

約数ペア:

[(1, 1915515940), (2, 957757970), (4, 478878985), (5, 383103188), (10, 191551594), (13, 147347380), (20, 95775797), (26, 73673690), (52, 36836845), (65, 29469476), (130, 14734738), (260, 7367369), (277, 6915220), (554, 3457610), (1108, 1728805), (1385, 1383044), (2770, 691522), (3601, 531940), (5540, 345761), (7202, 265970), (14404, 132985), (18005, 106388), (26597, 72020), (36010, 53194)]