19995162

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 47029248

約数和(自身を除く): 27034086

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 71, 102, 142, 187, 213, 251, 374, 426, 502, 561, 753, 781, 1122, 1207, 1506, 1562, 2343, 2414, 2761, 3621, 4267, 4686, 5522, 7242, 8283, 8534, 12801, 13277, 16566, 17821, 25602, 26554, 35642, 39831, 46937, 53463, 79662, 93874, 106926, 140811, 196031, 281622, 302957, 392062, 588093, 605914, 908871, 1176186, 1817742, 3332527, 6665054, 9997581, 19995162]

約数ペア:

[(1, 19995162), (2, 9997581), (3, 6665054), (6, 3332527), (11, 1817742), (17, 1176186), (22, 908871), (33, 605914), (34, 588093), (51, 392062), (66, 302957), (71, 281622), (102, 196031), (142, 140811), (187, 106926), (213, 93874), (251, 79662), (374, 53463), (426, 46937), (502, 39831), (561, 35642), (753, 26554), (781, 25602), (1122, 17821), (1207, 16566), (1506, 13277), (1562, 12801), (2343, 8534), (2414, 8283), (2761, 7242), (3621, 5522), (4267, 4686)]