19238560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 96

約数和(自身を含む): 52581312

約数和(自身を除く): 33342752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 643, 680, 748, 880, 935, 1286, 1360, 1496, 1760, 1870, 2572, 2720, 2992, 3215, 3740, 5144, 5984, 6430, 7073, 7480, 10288, 10931, 12860, 14146, 14960, 20576, 21862, 25720, 28292, 29920, 35365, 43724, 51440, 54655, 56584, 70730, 87448, 102880, 109310, 113168, 120241, 141460, 174896, 218620, 226336, 240482, 282920, 349792, 437240, 480964, 565840, 601205, 874480, 961928, 1131680, 1202410, 1748960, 1923856, 2404820, 3847712, 4809640, 9619280, 19238560]

約数ペア:

[(1, 19238560), (2, 9619280), (4, 4809640), (5, 3847712), (8, 2404820), (10, 1923856), (11, 1748960), (16, 1202410), (17, 1131680), (20, 961928), (22, 874480), (32, 601205), (34, 565840), (40, 480964), (44, 437240), (55, 349792), (68, 282920), (80, 240482), (85, 226336), (88, 218620), (110, 174896), (136, 141460), (160, 120241), (170, 113168), (176, 109310), (187, 102880), (220, 87448), (272, 70730), (340, 56584), (352, 54655), (374, 51440), (440, 43724), (544, 35365), (643, 29920), (680, 28292), (748, 25720), (880, 21862), (935, 20576), (1286, 14960), (1360, 14146), (1496, 12860), (1760, 10931), (1870, 10288), (2572, 7480), (2720, 7073), (2992, 6430), (3215, 5984), (3740, 5144)]