19579196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 44805600

約数和(自身を除く): 25226404

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 149, 182, 247, 266, 298, 361, 364, 494, 532, 596, 722, 988, 1043, 1444, 1729, 1937, 2086, 2527, 2831, 3458, 3874, 4172, 4693, 5054, 5662, 6916, 7748, 9386, 10108, 11324, 13559, 18772, 19817, 27118, 32851, 36803, 39634, 53789, 54236, 65702, 73606, 79268, 107578, 131404, 147212, 215156, 257621, 376523, 515242, 699257, 753046, 1030484, 1398514, 1506092, 2797028, 4894799, 9789598, 19579196]

約数ペア:

[(1, 19579196), (2, 9789598), (4, 4894799), (7, 2797028), (13, 1506092), (14, 1398514), (19, 1030484), (26, 753046), (28, 699257), (38, 515242), (52, 376523), (76, 257621), (91, 215156), (133, 147212), (149, 131404), (182, 107578), (247, 79268), (266, 73606), (298, 65702), (361, 54236), (364, 53789), (494, 39634), (532, 36803), (596, 32851), (722, 27118), (988, 19817), (1043, 18772), (1444, 13559), (1729, 11324), (1937, 10108), (2086, 9386), (2527, 7748), (2831, 6916), (3458, 5662), (3874, 5054), (4172, 4693)]