18022545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 33359040

約数和(自身を除く): 15336495

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 107, 171, 197, 285, 321, 535, 591, 855, 963, 985, 1605, 1773, 2033, 2955, 3743, 4815, 6099, 8865, 10165, 11229, 18297, 18715, 21079, 30495, 33687, 56145, 63237, 91485, 105395, 168435, 189711, 316185, 400501, 948555, 1201503, 2002505, 3604509, 6007515, 18022545]

約数ペア:

[(1, 18022545), (3, 6007515), (5, 3604509), (9, 2002505), (15, 1201503), (19, 948555), (45, 400501), (57, 316185), (95, 189711), (107, 168435), (171, 105395), (197, 91485), (285, 63237), (321, 56145), (535, 33687), (591, 30495), (855, 21079), (963, 18715), (985, 18297), (1605, 11229), (1773, 10165), (2033, 8865), (2955, 6099), (3743, 4815)]