19798822

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 24

約数和(自身を含む): 31356000

約数和(自身を除く): 11557178

約数列:

[1, 2, 29, 58, 79, 149, 158, 298, 841, 1682, 2291, 4321, 4582, 8642, 11771, 23542, 66439, 125309, 132878, 250618, 341359, 682718, 9899411, 19798822]

約数ペア:

[(1, 19798822), (2, 9899411), (29, 682718), (58, 341359), (79, 250618), (149, 132878), (158, 125309), (298, 66439), (841, 23542), (1682, 11771), (2291, 8642), (4321, 4582)]