18135957

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 30074112

約数和(自身を除く): 11938155

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1373, 1887, 4119, 4403, 9611, 13209, 23341, 28833, 50801, 70023, 152403, 163387, 355607, 490161, 863617, 1066821, 2590851, 6045319, 18135957]

約数ペア:

[(1, 18135957), (3, 6045319), (7, 2590851), (17, 1066821), (21, 863617), (37, 490161), (51, 355607), (111, 163387), (119, 152403), (259, 70023), (357, 50801), (629, 28833), (777, 23341), (1373, 13209), (1887, 9611), (4119, 4403)]