19430439

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 32219136

約数和(自身を除く): 12788697

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1471, 1887, 4403, 4413, 10297, 13209, 25007, 30891, 54427, 75021, 163281, 175049, 380989, 525147, 925259, 1142967, 2775777, 6476813, 19430439]

約数ペア:

[(1, 19430439), (3, 6476813), (7, 2775777), (17, 1142967), (21, 925259), (37, 525147), (51, 380989), (111, 175049), (119, 163281), (259, 75021), (357, 54427), (629, 30891), (777, 25007), (1471, 13209), (1887, 10297), (4403, 4413)]