18530019

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 29237760

約数和(自身を除く): 10707741

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 563, 621, 1219, 1431, 1689, 3657, 5067, 10971, 12949, 15201, 29839, 32913, 38847, 89517, 116541, 268551, 349623, 686297, 805653, 2058891, 6176673, 18530019]

約数ペア:

[(1, 18530019), (3, 6176673), (9, 2058891), (23, 805653), (27, 686297), (53, 349623), (69, 268551), (159, 116541), (207, 89517), (477, 38847), (563, 32913), (621, 29839), (1219, 15201), (1431, 12949), (1689, 10971), (3657, 5067)]