18104740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 39412800

約数和(自身を除く): 21308060

約数列:

[1, 2, 4, 5, 10, 20, 59, 67, 118, 134, 229, 236, 268, 295, 335, 458, 590, 670, 916, 1145, 1180, 1340, 2290, 3953, 4580, 7906, 13511, 15343, 15812, 19765, 27022, 30686, 39530, 54044, 61372, 67555, 76715, 79060, 135110, 153430, 270220, 306860, 905237, 1810474, 3620948, 4526185, 9052370, 18104740]

約数ペア:

[(1, 18104740), (2, 9052370), (4, 4526185), (5, 3620948), (10, 1810474), (20, 905237), (59, 306860), (67, 270220), (118, 153430), (134, 135110), (229, 79060), (236, 76715), (268, 67555), (295, 61372), (335, 54044), (458, 39530), (590, 30686), (670, 27022), (916, 19765), (1145, 15812), (1180, 15343), (1340, 13511), (2290, 7906), (3953, 4580)]