17720846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61961}}^1$

素因数の和:61987

約数の個数: 16

約数和(自身を含む): 31228848

約数和(自身を除く): 13508002

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 61961, 123922, 681571, 805493, 1363142, 1610986, 8860423, 17720846]

約数ペア:

[(1, 17720846), (2, 8860423), (11, 1610986), (13, 1363142), (22, 805493), (26, 681571), (143, 123922), (286, 61961)]