19996090

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11171}}^1$

素因数の和:11357

約数の個数: 16

約数和(自身を含む): 36197280

約数和(自身を除く): 16201190

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 11171, 22342, 55855, 111710, 1999609, 3999218, 9998045, 19996090]

約数ペア:

[(1, 19996090), (2, 9998045), (5, 3999218), (10, 1999609), (179, 111710), (358, 55855), (895, 22342), (1790, 11171)]