18962021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 2810779

約数列:

[1, 13, 17, 221, 239, 359, 3107, 4063, 4667, 6103, 52819, 79339, 85801, 1115413, 1458617, 18962021]

約数ペア:

[(1, 18962021), (13, 1458617), (17, 1115413), (221, 85801), (239, 79339), (359, 52819), (3107, 6103), (4063, 4667)]