19687852

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{887}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 35804160

約数和(自身を除く): 16116308

約数列:

[1, 2, 4, 31, 62, 124, 179, 358, 716, 887, 1774, 3548, 5549, 11098, 22196, 27497, 54994, 109988, 158773, 317546, 635092, 4921963, 9843926, 19687852]

約数ペア:

[(1, 19687852), (2, 9843926), (4, 4921963), (31, 635092), (62, 317546), (124, 158773), (179, 109988), (358, 54994), (716, 27497), (887, 22196), (1774, 11098), (3548, 5549)]