1921816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 2190824

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1087, 1768, 2174, 4348, 8696, 14131, 18479, 28262, 36958, 56524, 73916, 113048, 147832, 240227, 480454, 960908, 1921816]

約数ペア:

[(1, 1921816), (2, 960908), (4, 480454), (8, 240227), (13, 147832), (17, 113048), (26, 73916), (34, 56524), (52, 36958), (68, 28262), (104, 18479), (136, 14131), (221, 8696), (442, 4348), (884, 2174), (1087, 1768)]