19348778

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1693

約数の個数: 16

約数和(自身を含む): 29782080

約数和(自身を除く): 10433302

約数列:

[1, 2, 71, 89, 142, 178, 1531, 3062, 6319, 12638, 108701, 136259, 217402, 272518, 9674389, 19348778]

約数ペア:

[(1, 19348778), (2, 9674389), (71, 272518), (89, 217402), (142, 136259), (178, 108701), (1531, 12638), (3062, 6319)]