19923695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2399}}^1$

素因数の和:2566

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 6341905

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2399, 8305, 11995, 26389, 131945, 362249, 1811245, 3984739, 19923695]

約数ペア:

[(1, 19923695), (5, 3984739), (11, 1811245), (55, 362249), (151, 131945), (755, 26389), (1661, 11995), (2399, 8305)]