2019016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 4104000

約数和(自身を除く): 2084984

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 359, 703, 718, 1406, 1436, 2812, 2872, 5624, 6821, 13283, 13642, 26566, 27284, 53132, 54568, 106264, 252377, 504754, 1009508, 2019016]

約数ペア:

[(1, 2019016), (2, 1009508), (4, 504754), (8, 252377), (19, 106264), (37, 54568), (38, 53132), (74, 27284), (76, 26566), (148, 13642), (152, 13283), (296, 6821), (359, 5624), (703, 2872), (718, 2812), (1406, 1436)]