18119345

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 23412480

約数和(自身を除く): 5293135

約数列:

[1, 5, 29, 31, 139, 145, 155, 695, 841, 899, 4031, 4205, 4309, 4495, 20155, 21545, 26071, 116899, 124961, 130355, 584495, 624805, 3623869, 18119345]

約数ペア:

[(1, 18119345), (5, 3623869), (29, 624805), (31, 584495), (139, 130355), (145, 124961), (155, 116899), (695, 26071), (841, 21545), (899, 20155), (4031, 4495), (4205, 4309)]