20172645458

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{292807}}^1$

素因数の和:292879

約数の個数: 48

約数和(自身を含む): 38053327680

約数和(自身を除く): 17880682222

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 74, 98, 133, 259, 266, 518, 703, 931, 1406, 1813, 1862, 3626, 4921, 9842, 34447, 68894, 292807, 585614, 2049649, 4099298, 5563333, 10833859, 11126666, 14347543, 21667718, 28695086, 38943331, 75837013, 77886662, 151674026, 205843321, 272603317, 411686642, 530859091, 545206634, 1061718182, 1440903247, 2881806494, 10086322729, 20172645458]

約数ペア:

[(1, 20172645458), (2, 10086322729), (7, 2881806494), (14, 1440903247), (19, 1061718182), (37, 545206634), (38, 530859091), (49, 411686642), (74, 272603317), (98, 205843321), (133, 151674026), (259, 77886662), (266, 75837013), (518, 38943331), (703, 28695086), (931, 21667718), (1406, 14347543), (1813, 11126666), (1862, 10833859), (3626, 5563333), (4921, 4099298), (9842, 2049649), (34447, 585614), (68894, 292807)]