19165874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 37847040

約数和(自身を除く): 18681166

約数列:

[1, 2, 7, 13, 14, 26, 31, 43, 62, 79, 86, 91, 158, 182, 217, 301, 403, 434, 553, 559, 602, 806, 1027, 1106, 1118, 1333, 2054, 2449, 2666, 2821, 3397, 3913, 4898, 5642, 6794, 7189, 7826, 9331, 14378, 17143, 17329, 18662, 23779, 31837, 34286, 34658, 44161, 47558, 63674, 88322, 105307, 121303, 210614, 222859, 242606, 309127, 445718, 618254, 737149, 1368991, 1474298, 2737982, 9582937, 19165874]

約数ペア:

[(1, 19165874), (2, 9582937), (7, 2737982), (13, 1474298), (14, 1368991), (26, 737149), (31, 618254), (43, 445718), (62, 309127), (79, 242606), (86, 222859), (91, 210614), (158, 121303), (182, 105307), (217, 88322), (301, 63674), (403, 47558), (434, 44161), (553, 34658), (559, 34286), (602, 31837), (806, 23779), (1027, 18662), (1106, 17329), (1118, 17143), (1333, 14378), (2054, 9331), (2449, 7826), (2666, 7189), (2821, 6794), (3397, 5642), (3913, 4898)]