19115553

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 9189087

約数列:

[1, 3, 23, 29, 41, 69, 87, 123, 233, 667, 699, 943, 1189, 2001, 2829, 3567, 5359, 6757, 9553, 16077, 20271, 27347, 28659, 82041, 155411, 219719, 277037, 466233, 659157, 831111, 6371851, 19115553]

約数ペア:

[(1, 19115553), (3, 6371851), (23, 831111), (29, 659157), (41, 466233), (69, 277037), (87, 219719), (123, 155411), (233, 82041), (667, 28659), (699, 27347), (943, 20271), (1189, 16077), (2001, 9553), (2829, 6757), (3567, 5359)]