18782218

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3329}}^1$

素因数の和:3382

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 17021942

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3329, 5642, 6658, 23303, 43277, 46606, 86554, 103199, 206398, 302939, 605878, 722393, 1341587, 1444786, 2683174, 9391109, 18782218]

約数ペア:

[(1, 18782218), (2, 9391109), (7, 2683174), (13, 1444786), (14, 1341587), (26, 722393), (31, 605878), (62, 302939), (91, 206398), (182, 103199), (217, 86554), (403, 46606), (434, 43277), (806, 23303), (2821, 6658), (3329, 5642)]