18753413

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 22391424

約数和(自身を除く): 3638011

約数列:

[1, 7, 37, 61, 259, 427, 1187, 2257, 8309, 15799, 43919, 72407, 307433, 506849, 2679059, 18753413]

約数ペア:

[(1, 18753413), (7, 2679059), (37, 506849), (61, 307433), (259, 72407), (427, 43919), (1187, 15799), (2257, 8309)]