18957291273

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{947}}^1\times {\mathrm{4663}}^1$

素因数の和:5675

約数の個数: 40

約数和(自身を含む): 28889898048

約数和(自身を除く): 9932606775

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 947, 1431, 2841, 4293, 4663, 8523, 13989, 25569, 41967, 50191, 76707, 125901, 150573, 247139, 377703, 451719, 741417, 1355157, 2224251, 4065471, 4415861, 6672753, 13247583, 20018259, 39742749, 119228247, 234040633, 357684741, 702121899, 2106365697, 6319097091, 18957291273]

約数ペア:

[(1, 18957291273), (3, 6319097091), (9, 2106365697), (27, 702121899), (53, 357684741), (81, 234040633), (159, 119228247), (477, 39742749), (947, 20018259), (1431, 13247583), (2841, 6672753), (4293, 4415861), (4663, 4065471), (8523, 2224251), (13989, 1355157), (25569, 741417), (41967, 451719), (50191, 377703), (76707, 247139), (125901, 150573)]