19902289912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89069}}^1$

素因数の和:89176

約数の個数: 64

約数和(自身を含む): 41556499200

約数和(自身を除く): 21654209288

約数列:

[1, 2, 4, 8, 17, 31, 34, 53, 62, 68, 106, 124, 136, 212, 248, 424, 527, 901, 1054, 1643, 1802, 2108, 3286, 3604, 4216, 6572, 7208, 13144, 27931, 55862, 89069, 111724, 178138, 223448, 356276, 712552, 1514173, 2761139, 3028346, 4720657, 5522278, 6056692, 9441314, 11044556, 12113384, 18882628, 22089112, 37765256, 46939363, 80251169, 93878726, 146340367, 160502338, 187757452, 292680734, 321004676, 375514904, 585361468, 642009352, 1170722936, 2487786239, 4975572478, 9951144956, 19902289912]

約数ペア:

[(1, 19902289912), (2, 9951144956), (4, 4975572478), (8, 2487786239), (17, 1170722936), (31, 642009352), (34, 585361468), (53, 375514904), (62, 321004676), (68, 292680734), (106, 187757452), (124, 160502338), (136, 146340367), (212, 93878726), (248, 80251169), (424, 46939363), (527, 37765256), (901, 22089112), (1054, 18882628), (1643, 12113384), (1802, 11044556), (2108, 9441314), (3286, 6056692), (3604, 5522278), (4216, 4720657), (6572, 3028346), (7208, 2761139), (13144, 1514173), (27931, 712552), (55862, 356276), (89069, 223448), (111724, 178138)]