18633915

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1663}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 14912325

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1663, 2241, 3735, 4989, 8315, 11205, 14967, 24945, 44901, 74835, 138029, 224505, 414087, 690145, 1242261, 2070435, 3726783, 6211305, 18633915]

約数ペア:

[(1, 18633915), (3, 6211305), (5, 3726783), (9, 2070435), (15, 1242261), (27, 690145), (45, 414087), (83, 224505), (135, 138029), (249, 74835), (415, 44901), (747, 24945), (1245, 14967), (1663, 11205), (2241, 8315), (3735, 4989)]