18982880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1036

約数の個数: 96

約数和(自身を含む): 54323136

約数和(自身を除く): 35340256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 997, 1120, 1190, 1360, 1904, 1994, 2380, 2720, 3808, 3988, 4760, 4985, 6979, 7976, 9520, 9970, 13958, 15952, 16949, 19040, 19940, 27916, 31904, 33898, 34895, 39880, 55832, 67796, 69790, 79760, 84745, 111664, 118643, 135592, 139580, 159520, 169490, 223328, 237286, 271184, 279160, 338980, 474572, 542368, 558320, 593215, 677960, 949144, 1116640, 1186430, 1355920, 1898288, 2372860, 2711840, 3796576, 4745720, 9491440, 18982880]

約数ペア:

[(1, 18982880), (2, 9491440), (4, 4745720), (5, 3796576), (7, 2711840), (8, 2372860), (10, 1898288), (14, 1355920), (16, 1186430), (17, 1116640), (20, 949144), (28, 677960), (32, 593215), (34, 558320), (35, 542368), (40, 474572), (56, 338980), (68, 279160), (70, 271184), (80, 237286), (85, 223328), (112, 169490), (119, 159520), (136, 139580), (140, 135592), (160, 118643), (170, 111664), (224, 84745), (238, 79760), (272, 69790), (280, 67796), (340, 55832), (476, 39880), (544, 34895), (560, 33898), (595, 31904), (680, 27916), (952, 19940), (997, 19040), (1120, 16949), (1190, 15952), (1360, 13958), (1904, 9970), (1994, 9520), (2380, 7976), (2720, 6979), (3808, 4985), (3988, 4760)]