19218340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 23964380

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1019, 1886, 2038, 3772, 4076, 4715, 5095, 9430, 10190, 18860, 20380, 23437, 41779, 46874, 83558, 93748, 117185, 167116, 208895, 234370, 417790, 468740, 835580, 960917, 1921834, 3843668, 4804585, 9609170, 19218340]

約数ペア:

[(1, 19218340), (2, 9609170), (4, 4804585), (5, 3843668), (10, 1921834), (20, 960917), (23, 835580), (41, 468740), (46, 417790), (82, 234370), (92, 208895), (115, 167116), (164, 117185), (205, 93748), (230, 83558), (410, 46874), (460, 41779), (820, 23437), (943, 20380), (1019, 18860), (1886, 10190), (2038, 9430), (3772, 5095), (4076, 4715)]