18619189

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 1540811

約数列:

[1, 29, 31, 139, 149, 899, 4031, 4309, 4321, 4619, 20711, 124961, 133951, 600619, 642041, 18619189]

約数ペア:

[(1, 18619189), (29, 642041), (31, 600619), (139, 133951), (149, 124961), (899, 20711), (4031, 4619), (4309, 4321)]