19540134148

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{20341}}^1$

素因数の和:20564

約数の個数: 48

約数和(自身を含む): 36161241088

約数和(自身を除く): 16621106940

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 127, 244, 254, 508, 1891, 3782, 3937, 7564, 7747, 7874, 15494, 15748, 20341, 30988, 40682, 81364, 240157, 480314, 630571, 960628, 1240801, 1261142, 2481602, 2522284, 2583307, 4963204, 5166614, 10333228, 38464831, 76929662, 80082517, 153859324, 157581727, 160165034, 315163454, 320330068, 630326908, 4885033537, 9770067074, 19540134148]

約数ペア:

[(1, 19540134148), (2, 9770067074), (4, 4885033537), (31, 630326908), (61, 320330068), (62, 315163454), (122, 160165034), (124, 157581727), (127, 153859324), (244, 80082517), (254, 76929662), (508, 38464831), (1891, 10333228), (3782, 5166614), (3937, 4963204), (7564, 2583307), (7747, 2522284), (7874, 2481602), (15494, 1261142), (15748, 1240801), (20341, 960628), (30988, 630571), (40682, 480314), (81364, 240157)]