18673864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{212203}}^1$

素因数の和:212220

約数の個数: 16

約数和(自身を含む): 38196720

約数和(自身を除く): 19522856

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 212203, 424406, 848812, 1697624, 2334233, 4668466, 9336932, 18673864]

約数ペア:

[(1, 18673864), (2, 9336932), (4, 4668466), (8, 2334233), (11, 1697624), (22, 848812), (44, 424406), (88, 212203)]