18970065

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1693}}^1$

素因数の和:1790

約数の個数: 32

約数和(自身を含む): 34151040

約数和(自身を除く): 15180975

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1693, 2241, 3735, 5079, 8465, 11205, 15237, 25395, 45711, 76185, 140519, 228555, 421557, 702595, 1264671, 2107785, 3794013, 6323355, 18970065]

約数ペア:

[(1, 18970065), (3, 6323355), (5, 3794013), (9, 2107785), (15, 1264671), (27, 702595), (45, 421557), (83, 228555), (135, 140519), (249, 76185), (415, 45711), (747, 25395), (1245, 15237), (1693, 11205), (2241, 8465), (3735, 5079)]