18785587184

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12902189}}^1$

素因数の和:12902217

約数の個数: 40

約数和(自身を含む): 44796403680

約数和(自身を除く): 26010816496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12902189, 25804378, 51608756, 90315323, 103217512, 167728457, 180630646, 206435024, 335456914, 361261292, 670913828, 722522584, 1174099199, 1341827656, 1445045168, 2348198398, 2683655312, 4696396796, 9392793592, 18785587184]

約数ペア:

[(1, 18785587184), (2, 9392793592), (4, 4696396796), (7, 2683655312), (8, 2348198398), (13, 1445045168), (14, 1341827656), (16, 1174099199), (26, 722522584), (28, 670913828), (52, 361261292), (56, 335456914), (91, 206435024), (104, 180630646), (112, 167728457), (182, 103217512), (208, 90315323), (364, 51608756), (728, 25804378), (1456, 12902189)]