19929813

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 7431339

約数列:

[1, 3, 41, 123, 311, 521, 933, 1563, 12751, 21361, 38253, 64083, 162031, 486093, 6643271, 19929813]

約数ペア:

[(1, 19929813), (3, 6643271), (41, 486093), (123, 162031), (311, 64083), (521, 38253), (933, 21361), (1563, 12751)]