18408185

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1607}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 23155200

約数和(自身を除く): 4747015

約数列:

[1, 5, 29, 79, 145, 395, 1607, 2291, 8035, 11455, 46603, 126953, 233015, 634765, 3681637, 18408185]

約数ペア:

[(1, 18408185), (5, 3681637), (29, 634765), (79, 233015), (145, 126953), (395, 46603), (1607, 11455), (2291, 8035)]