18005637

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 27288576

約数和(自身を除く): 9282939

約数列:

[1, 3, 13, 31, 39, 53, 93, 159, 281, 403, 689, 843, 1209, 1643, 2067, 3653, 4929, 8711, 10959, 14893, 21359, 26133, 44679, 64077, 113243, 193609, 339729, 461683, 580827, 1385049, 6001879, 18005637]

約数ペア:

[(1, 18005637), (3, 6001879), (13, 1385049), (31, 580827), (39, 461683), (53, 339729), (93, 193609), (159, 113243), (281, 64077), (403, 44679), (689, 26133), (843, 21359), (1209, 14893), (1643, 10959), (2067, 8711), (3653, 4929)]