19995602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 14979118

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 919, 946, 989, 1838, 1978, 10109, 10879, 20218, 21137, 21758, 39517, 42274, 79034, 232507, 434687, 465014, 869374, 908891, 1817782, 9997801, 19995602]

約数ペア:

[(1, 19995602), (2, 9997801), (11, 1817782), (22, 908891), (23, 869374), (43, 465014), (46, 434687), (86, 232507), (253, 79034), (473, 42274), (506, 39517), (919, 21758), (946, 21137), (989, 20218), (1838, 10879), (1978, 10109)]