12720227578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^2\times {\mathrm{293}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 20749085280

約数和(自身を除く): 8028857702

約数列:

[1, 2, 19, 38, 43, 86, 163, 293, 326, 586, 817, 1634, 3097, 5567, 6194, 7009, 11134, 12599, 14018, 25198, 26569, 47759, 53138, 95518, 133171, 239381, 266342, 478762, 504811, 907421, 1009622, 1142467, 1814842, 2053637, 2284934, 4107274, 7784717, 15569434, 21706873, 39019103, 43413746, 78038206, 147909623, 295819246, 334742831, 669485662, 6360113789, 12720227578]

約数ペア:

[(1, 12720227578), (2, 6360113789), (19, 669485662), (38, 334742831), (43, 295819246), (86, 147909623), (163, 78038206), (293, 43413746), (326, 39019103), (586, 21706873), (817, 15569434), (1634, 7784717), (3097, 4107274), (5567, 2284934), (6194, 2053637), (7009, 1814842), (11134, 1142467), (12599, 1009622), (14018, 907421), (25198, 504811), (26569, 478762), (47759, 266342), (53138, 239381), (95518, 133171)]