18796155

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 35458560

約数和(自身を除く): 16662405

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 107, 147, 239, 245, 321, 535, 717, 735, 749, 1195, 1605, 1673, 2247, 3585, 3745, 5019, 5243, 8365, 11235, 11711, 15729, 25095, 25573, 26215, 35133, 58555, 76719, 78645, 127865, 175665, 179011, 383595, 537033, 895055, 1253077, 2685165, 3759231, 6265385, 18796155]

約数ペア:

[(1, 18796155), (3, 6265385), (5, 3759231), (7, 2685165), (15, 1253077), (21, 895055), (35, 537033), (49, 383595), (105, 179011), (107, 175665), (147, 127865), (239, 78645), (245, 76719), (321, 58555), (535, 35133), (717, 26215), (735, 25573), (749, 25095), (1195, 15729), (1605, 11711), (1673, 11235), (2247, 8365), (3585, 5243), (3745, 5019)]