18179763

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 10435917

約数列:

[1, 3, 7, 21, 71, 89, 137, 213, 267, 411, 497, 623, 959, 1491, 1869, 2877, 6319, 9727, 12193, 18957, 29181, 36579, 44233, 68089, 85351, 132699, 204267, 256053, 865703, 2597109, 6059921, 18179763]

約数ペア:

[(1, 18179763), (3, 6059921), (7, 2597109), (21, 865703), (71, 256053), (89, 204267), (137, 132699), (213, 85351), (267, 68089), (411, 44233), (497, 36579), (623, 29181), (959, 18957), (1491, 12193), (1869, 9727), (2877, 6319)]