18807831

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1033}}^1$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 33013552

約数和(自身を除く): 14205721

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1033, 1071, 2023, 2601, 3099, 6069, 7231, 9297, 17561, 18207, 21693, 52683, 65079, 122927, 158049, 298537, 368781, 895611, 1106343, 2089759, 2686833, 6269277, 18807831]

約数ペア:

[(1, 18807831), (3, 6269277), (7, 2686833), (9, 2089759), (17, 1106343), (21, 895611), (51, 368781), (63, 298537), (119, 158049), (153, 122927), (289, 65079), (357, 52683), (867, 21693), (1033, 18207), (1071, 17561), (2023, 9297), (2601, 7231), (3099, 6069)]