18732880

素因数分解:

$2^4\times 5^1\times {\mathrm{234161}}^1$

素因数の和:234174

約数の個数: 20

約数和(自身を含む): 43554132

約数和(自身を除く): 24821252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234161, 468322, 936644, 1170805, 1873288, 2341610, 3746576, 4683220, 9366440, 18732880]

約数ペア:

[(1, 18732880), (2, 9366440), (4, 4683220), (5, 3746576), (8, 2341610), (10, 1873288), (16, 1170805), (20, 936644), (40, 468322), (80, 234161)]