18916359

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4817}}^1$

素因数の和:4855

約数の個数: 32

約数和(自身を含む): 33302016

約数和(自身を除く): 14385657

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 4817, 14451, 33719, 52987, 81889, 101157, 158961, 245667, 370909, 573223, 900779, 1112727, 1719669, 2702337, 6305453, 18916359]

約数ペア:

[(1, 18916359), (3, 6305453), (7, 2702337), (11, 1719669), (17, 1112727), (21, 900779), (33, 573223), (51, 370909), (77, 245667), (119, 158961), (187, 101157), (231, 81889), (357, 52987), (561, 33719), (1309, 14451), (3927, 4817)]