19549838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 38873088

約数和(自身を除く): 19323250

約数列:

[1, 2, 7, 11, 14, 22, 37, 47, 73, 74, 77, 94, 146, 154, 259, 329, 407, 511, 517, 518, 658, 803, 814, 1022, 1034, 1606, 1739, 2701, 2849, 3431, 3478, 3619, 5402, 5621, 5698, 6862, 7238, 11242, 12173, 18907, 19129, 24017, 24346, 29711, 37741, 37814, 38258, 48034, 59422, 75482, 126947, 133903, 207977, 253894, 264187, 267806, 415954, 528374, 888629, 1396417, 1777258, 2792834, 9774919, 19549838]

約数ペア:

[(1, 19549838), (2, 9774919), (7, 2792834), (11, 1777258), (14, 1396417), (22, 888629), (37, 528374), (47, 415954), (73, 267806), (74, 264187), (77, 253894), (94, 207977), (146, 133903), (154, 126947), (259, 75482), (329, 59422), (407, 48034), (511, 38258), (517, 37814), (518, 37741), (658, 29711), (803, 24346), (814, 24017), (1022, 19129), (1034, 18907), (1606, 12173), (1739, 11242), (2701, 7238), (2849, 6862), (3431, 5698), (3478, 5621), (3619, 5402)]