19523438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 14068882

約数列:

[1, 2, 11, 22, 29, 58, 71, 142, 319, 431, 638, 781, 862, 1562, 2059, 4118, 4741, 9482, 12499, 22649, 24998, 30601, 45298, 61202, 137489, 274978, 336611, 673222, 887429, 1774858, 9761719, 19523438]

約数ペア:

[(1, 19523438), (2, 9761719), (11, 1774858), (22, 887429), (29, 673222), (58, 336611), (71, 274978), (142, 137489), (319, 61202), (431, 45298), (638, 30601), (781, 24998), (862, 22649), (1562, 12499), (2059, 9482), (4118, 4741)]