19184751

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 28725840

約数和(自身を除く): 9541089

約数列:

[1, 3, 9, 43, 89, 129, 267, 387, 557, 801, 1671, 3827, 5013, 11481, 23951, 34443, 49573, 71853, 148719, 215559, 446157, 2131639, 6394917, 19184751]

約数ペア:

[(1, 19184751), (3, 6394917), (9, 2131639), (43, 446157), (89, 215559), (129, 148719), (267, 71853), (387, 49573), (557, 34443), (801, 23951), (1671, 11481), (3827, 5013)]