18140913

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 30254016

約数和(自身を除く): 12113103

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 2851, 6363, 8553, 19957, 25659, 59871, 179613, 287951, 863853, 2015657, 2591559, 6046971, 18140913]

約数ペア:

[(1, 18140913), (3, 6046971), (7, 2591559), (9, 2015657), (21, 863853), (63, 287951), (101, 179613), (303, 59871), (707, 25659), (909, 19957), (2121, 8553), (2851, 6363)]