19198542

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 45163008

約数和(自身を除く): 25964466

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 71, 102, 142, 187, 213, 241, 374, 426, 482, 561, 723, 781, 1122, 1207, 1446, 1562, 2343, 2414, 2651, 3621, 4097, 4686, 5302, 7242, 7953, 8194, 12291, 13277, 15906, 17111, 24582, 26554, 34222, 39831, 45067, 51333, 79662, 90134, 102666, 135201, 188221, 270402, 290887, 376442, 564663, 581774, 872661, 1129326, 1745322, 3199757, 6399514, 9599271, 19198542]

約数ペア:

[(1, 19198542), (2, 9599271), (3, 6399514), (6, 3199757), (11, 1745322), (17, 1129326), (22, 872661), (33, 581774), (34, 564663), (51, 376442), (66, 290887), (71, 270402), (102, 188221), (142, 135201), (187, 102666), (213, 90134), (241, 79662), (374, 51333), (426, 45067), (482, 39831), (561, 34222), (723, 26554), (781, 24582), (1122, 17111), (1207, 15906), (1446, 13277), (1562, 12291), (2343, 8194), (2414, 7953), (2651, 7242), (3621, 5302), (4097, 4686)]