19999354576321

素因数分解:

${\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{757}}^1\times {\mathrm{530837}}^1$

素因数の和:532068

約数の個数: 16

約数和(自身を含む): 20216939749776

約数和(自身を除く): 217585173455

約数列:

[1, 157, 317, 757, 49769, 118849, 239969, 530837, 37675133, 83341409, 168275329, 401843609, 26419226653, 63089446613, 127384424053, 19999354576321]

約数ペア:

[(1, 19999354576321), (157, 127384424053), (317, 63089446613), (757, 26419226653), (49769, 401843609), (118849, 168275329), (239969, 83341409), (530837, 37675133)]