19829888

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 45110520

約数和(自身を除く): 25280632

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 701, 832, 884, 1088, 1402, 1664, 1768, 2176, 2804, 3536, 5608, 7072, 9113, 11216, 11917, 14144, 18226, 22432, 23834, 28288, 36452, 44864, 47668, 72904, 89728, 95336, 145808, 154921, 190672, 291616, 309842, 381344, 583232, 619684, 762688, 1166464, 1239368, 1525376, 2478736, 4957472, 9914944, 19829888]

約数ペア:

[(1, 19829888), (2, 9914944), (4, 4957472), (8, 2478736), (13, 1525376), (16, 1239368), (17, 1166464), (26, 762688), (32, 619684), (34, 583232), (52, 381344), (64, 309842), (68, 291616), (104, 190672), (128, 154921), (136, 145808), (208, 95336), (221, 89728), (272, 72904), (416, 47668), (442, 44864), (544, 36452), (701, 28288), (832, 23834), (884, 22432), (1088, 18226), (1402, 14144), (1664, 11917), (1768, 11216), (2176, 9113), (2804, 7072), (3536, 5608)]