17871728

素因数分解:

$2^4\times 7^1\times {\mathrm{159569}}^1$

素因数の和:159584

約数の個数: 20

約数和(自身を含む): 39573360

約数和(自身を除く): 21701632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 159569, 319138, 638276, 1116983, 1276552, 2233966, 2553104, 4467932, 8935864, 17871728]

約数ペア:

[(1, 17871728), (2, 8935864), (4, 4467932), (7, 2553104), (8, 2233966), (14, 1276552), (16, 1116983), (28, 638276), (56, 319138), (112, 159569)]