18645492034

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{275503}}^1$

素因数の和:275674

約数の個数: 32

約数和(自身を含む): 31936423680

約数和(自身を除く): 13290931646

約数列:

[1, 2, 13, 19, 26, 38, 137, 247, 274, 494, 1781, 2603, 3562, 5206, 33839, 67678, 275503, 551006, 3581539, 5234557, 7163078, 10469114, 37743911, 68049241, 75487822, 136098482, 490670843, 717134309, 981341686, 1434268618, 9322746017, 18645492034]

約数ペア:

[(1, 18645492034), (2, 9322746017), (13, 1434268618), (19, 981341686), (26, 717134309), (38, 490670843), (137, 136098482), (247, 75487822), (274, 68049241), (494, 37743911), (1781, 10469114), (2603, 7163078), (3562, 5234557), (5206, 3581539), (33839, 551006), (67678, 275503)]