18765261

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 28294656

約数和(自身を除く): 9529395

約数列:

[1, 3, 9, 31, 93, 103, 279, 309, 653, 927, 1959, 3193, 5877, 9579, 20243, 28737, 60729, 67259, 182187, 201777, 605331, 2085029, 6255087, 18765261]

約数ペア:

[(1, 18765261), (3, 6255087), (9, 2085029), (31, 605331), (93, 201777), (103, 182187), (279, 67259), (309, 60729), (653, 28737), (927, 20243), (1959, 9579), (3193, 5877)]