19713380

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1061}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 41481720

約数和(自身を除く): 21768340

約数列:

[1, 2, 4, 5, 10, 20, 929, 1061, 1858, 2122, 3716, 4244, 4645, 5305, 9290, 10610, 18580, 21220, 985669, 1971338, 3942676, 4928345, 9856690, 19713380]

約数ペア:

[(1, 19713380), (2, 9856690), (4, 4928345), (5, 3942676), (10, 1971338), (20, 985669), (929, 21220), (1061, 18580), (1858, 10610), (2122, 9290), (3716, 5305), (4244, 4645)]