18958077

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 30101760

約数和(自身を除く): 11143683

約数列:

[1, 3, 9, 17, 27, 51, 103, 153, 309, 401, 459, 927, 1203, 1751, 2781, 3609, 5253, 6817, 10827, 15759, 20451, 41303, 47277, 61353, 123909, 184059, 371727, 702151, 1115181, 2106453, 6319359, 18958077]

約数ペア:

[(1, 18958077), (3, 6319359), (9, 2106453), (17, 1115181), (27, 702151), (51, 371727), (103, 184059), (153, 123909), (309, 61353), (401, 47277), (459, 41303), (927, 20451), (1203, 15759), (1751, 10827), (2781, 6817), (3609, 5253)]