18259864

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7583}}^1$

素因数の和:7639

約数の個数: 32

約数和(自身を含む): 40043520

約数和(自身を除く): 21783656

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7583, 15166, 30332, 53081, 60664, 106162, 212324, 326069, 424648, 652138, 1304276, 2282483, 2608552, 4564966, 9129932, 18259864]

約数ペア:

[(1, 18259864), (2, 9129932), (4, 4564966), (7, 2608552), (8, 2282483), (14, 1304276), (28, 652138), (43, 424648), (56, 326069), (86, 212324), (172, 106162), (301, 60664), (344, 53081), (602, 30332), (1204, 15166), (2408, 7583)]