19788208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3877}}^1$

素因数の和:3925

約数の個数: 40

約数和(自身を含む): 43278480

約数和(自身を除く): 23490272

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 3877, 5104, 7754, 15508, 31016, 42647, 62032, 85294, 112433, 170588, 224866, 341176, 449732, 682352, 899464, 1236763, 1798928, 2473526, 4947052, 9894104, 19788208]

約数ペア:

[(1, 19788208), (2, 9894104), (4, 4947052), (8, 2473526), (11, 1798928), (16, 1236763), (22, 899464), (29, 682352), (44, 449732), (58, 341176), (88, 224866), (116, 170588), (176, 112433), (232, 85294), (319, 62032), (464, 42647), (638, 31016), (1276, 15508), (2552, 7754), (3877, 5104)]