19885476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6709}}^1$

素因数の和:6748

約数の個数: 48

約数和(自身を含む): 52606400

約数和(自身を除く): 32720924

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6709, 13418, 20127, 26836, 40254, 80508, 87217, 127471, 174434, 254942, 261651, 348868, 382413, 509884, 523302, 764826, 1046604, 1529652, 1657123, 3314246, 4971369, 6628492, 9942738, 19885476]

約数ペア:

[(1, 19885476), (2, 9942738), (3, 6628492), (4, 4971369), (6, 3314246), (12, 1657123), (13, 1529652), (19, 1046604), (26, 764826), (38, 523302), (39, 509884), (52, 382413), (57, 348868), (76, 261651), (78, 254942), (114, 174434), (156, 127471), (228, 87217), (247, 80508), (494, 40254), (741, 26836), (988, 20127), (1482, 13418), (2964, 6709)]