18711484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1907}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 35900928

約数和(自身を除く): 17189444

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 1907, 2453, 3814, 4906, 7628, 9812, 20977, 41954, 83908, 425261, 850522, 1701044, 4677871, 9355742, 18711484]

約数ペア:

[(1, 18711484), (2, 9355742), (4, 4677871), (11, 1701044), (22, 850522), (44, 425261), (223, 83908), (446, 41954), (892, 20977), (1907, 9812), (2453, 7628), (3814, 4906)]