18478947

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 25438112

約数和(自身を除く): 6959165

約数列:

[1, 3, 37, 111, 277, 601, 831, 1803, 10249, 22237, 30747, 66711, 166477, 499431, 6159649, 18478947]

約数ペア:

[(1, 18478947), (3, 6159649), (37, 499431), (111, 166477), (277, 66711), (601, 30747), (831, 22237), (1803, 10249)]