19990314

素因数分解:

$2^1\times 3^4\times {\mathrm{123397}}^1$

素因数の和:123411

約数の個数: 20

約数和(自身を含む): 44793474

約数和(自身を除く): 24803160

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123397, 246794, 370191, 740382, 1110573, 2221146, 3331719, 6663438, 9995157, 19990314]

約数ペア:

[(1, 19990314), (2, 9995157), (3, 6663438), (6, 3331719), (9, 2221146), (18, 1110573), (27, 740382), (54, 370191), (81, 246794), (162, 123397)]