19947426

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{727}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 22509534

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 269, 538, 727, 807, 1454, 1614, 2181, 4362, 4573, 9146, 12359, 13719, 24718, 27438, 37077, 74154, 195563, 391126, 586689, 1173378, 3324571, 6649142, 9973713, 19947426]

約数ペア:

[(1, 19947426), (2, 9973713), (3, 6649142), (6, 3324571), (17, 1173378), (34, 586689), (51, 391126), (102, 195563), (269, 74154), (538, 37077), (727, 27438), (807, 24718), (1454, 13719), (1614, 12359), (2181, 9146), (4362, 4573)]