18002900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{2687}}^1$

素因数の和:2768

約数の個数: 36

約数和(自身を含む): 39664128

約数和(自身を除く): 21661228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 2687, 3350, 5374, 6700, 10748, 13435, 26870, 53740, 67175, 134350, 180029, 268700, 360058, 720116, 900145, 1800290, 3600580, 4500725, 9001450, 18002900]

約数ペア:

[(1, 18002900), (2, 9001450), (4, 4500725), (5, 3600580), (10, 1800290), (20, 900145), (25, 720116), (50, 360058), (67, 268700), (100, 180029), (134, 134350), (268, 67175), (335, 53740), (670, 26870), (1340, 13435), (1675, 10748), (2687, 6700), (3350, 5374)]