19802674

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8543}}^1$

素因数の和:8625

約数の個数: 16

約数和(自身を含む): 31783680

約数和(自身を除く): 11981006

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8543, 17086, 162317, 324634, 521123, 1042246, 9901337, 19802674]

約数ペア:

[(1, 19802674), (2, 9901337), (19, 1042246), (38, 521123), (61, 324634), (122, 162317), (1159, 17086), (2318, 8543)]