18126785

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 4613695

約数列:

[1, 5, 31, 83, 155, 415, 1409, 2573, 7045, 12865, 43679, 116947, 218395, 584735, 3625357, 18126785]

約数ペア:

[(1, 18126785), (5, 3625357), (31, 584735), (83, 218395), (155, 116947), (415, 43679), (1409, 12865), (2573, 7045)]