19680232

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17203}}^1$

素因数の和:17233

約数の個数: 32

約数和(自身を含む): 43354080

約数和(自身を除く): 23673848

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17203, 34406, 68812, 137624, 189233, 223639, 378466, 447278, 756932, 894556, 1513864, 1789112, 2460029, 4920058, 9840116, 19680232]

約数ペア:

[(1, 19680232), (2, 9840116), (4, 4920058), (8, 2460029), (11, 1789112), (13, 1513864), (22, 894556), (26, 756932), (44, 447278), (52, 378466), (88, 223639), (104, 189233), (143, 137624), (286, 68812), (572, 34406), (1144, 17203)]