19414415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 24428736

約数和(自身を除く): 5014321

約数列:

[1, 5, 23, 115, 401, 421, 2005, 2105, 9223, 9683, 46115, 48415, 168821, 844105, 3882883, 19414415]

約数ペア:

[(1, 19414415), (5, 3882883), (23, 844105), (115, 168821), (401, 48415), (421, 46115), (2005, 9683), (2105, 9223)]