18478811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 21235200

約数和(自身を除く): 2756389

約数列:

[1, 13, 19, 79, 247, 947, 1027, 1501, 12311, 17993, 19513, 74813, 233909, 972569, 1421447, 18478811]

約数ペア:

[(1, 18478811), (13, 1421447), (19, 972569), (79, 233909), (247, 74813), (947, 19513), (1027, 17993), (1501, 12311)]