19979968352

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{877}}^1\times {\mathrm{41879}}^1$

素因数の和:42783

約数の個数: 48

約数和(自身を含む): 41697905760

約数和(自身を除く): 21717937408

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 877, 1754, 3508, 7016, 14032, 14909, 28064, 29818, 41879, 59636, 83758, 119272, 167516, 238544, 335032, 477088, 670064, 711943, 1340128, 1423886, 2847772, 5695544, 11391088, 22782176, 36727883, 73455766, 146911532, 293823064, 587646128, 624374011, 1175292256, 1248748022, 2497496044, 4994992088, 9989984176, 19979968352]

約数ペア:

[(1, 19979968352), (2, 9989984176), (4, 4994992088), (8, 2497496044), (16, 1248748022), (17, 1175292256), (32, 624374011), (34, 587646128), (68, 293823064), (136, 146911532), (272, 73455766), (544, 36727883), (877, 22782176), (1754, 11391088), (3508, 5695544), (7016, 2847772), (14032, 1423886), (14909, 1340128), (28064, 711943), (29818, 670064), (41879, 477088), (59636, 335032), (83758, 238544), (119272, 167516)]