18136811

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 25536000

約数和(自身を除く): 7399189

約数列:

[1, 7, 11, 19, 23, 49, 77, 121, 133, 161, 209, 253, 343, 437, 539, 847, 931, 1127, 1463, 1771, 2299, 2783, 3059, 3773, 4807, 5929, 6517, 7889, 10241, 12397, 16093, 19481, 21413, 33649, 41503, 52877, 71687, 86779, 112651, 136367, 149891, 235543, 370139, 788557, 954569, 1648801, 2590973, 18136811]

約数ペア:

[(1, 18136811), (7, 2590973), (11, 1648801), (19, 954569), (23, 788557), (49, 370139), (77, 235543), (121, 149891), (133, 136367), (161, 112651), (209, 86779), (253, 71687), (343, 52877), (437, 41503), (539, 33649), (847, 21413), (931, 19481), (1127, 16093), (1463, 12397), (1771, 10241), (2299, 7889), (2783, 6517), (3059, 5929), (3773, 4807)]