18746793

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{983}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 29370432

約数和(自身を除く): 10623639

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 983, 1467, 2119, 2949, 6357, 8847, 12779, 19071, 38337, 115011, 160229, 480687, 1442061, 2082977, 6248931, 18746793]

約数ペア:

[(1, 18746793), (3, 6248931), (9, 2082977), (13, 1442061), (39, 480687), (117, 160229), (163, 115011), (489, 38337), (983, 19071), (1467, 12779), (2119, 8847), (2949, 6357)]