19949657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5347}}^1$

素因数の和:5408

約数の個数: 16

約数和(自身を含む): 25156992

約数和(自身を除く): 5207335

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5347, 37429, 69511, 219227, 486577, 1534589, 2849951, 19949657]

約数ペア:

[(1, 19949657), (7, 2849951), (13, 1534589), (41, 486577), (91, 219227), (287, 69511), (533, 37429), (3731, 5347)]