19784024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1051}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 40207440

約数和(自身を除く): 20423416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1051, 1448, 2102, 2353, 4204, 4706, 8408, 9412, 13663, 18824, 27326, 54652, 109304, 190231, 380462, 760924, 1521848, 2473003, 4946006, 9892012, 19784024]

約数ペア:

[(1, 19784024), (2, 9892012), (4, 4946006), (8, 2473003), (13, 1521848), (26, 760924), (52, 380462), (104, 190231), (181, 109304), (362, 54652), (724, 27326), (1051, 18824), (1448, 13663), (2102, 9412), (2353, 8408), (4204, 4706)]