19206486

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 45143280

約数和(自身を除く): 25936794

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 211, 234, 389, 422, 633, 778, 1167, 1266, 1899, 2334, 2743, 3501, 3798, 5057, 5486, 7002, 8229, 10114, 15171, 16458, 24687, 30342, 45513, 49374, 82079, 91026, 164158, 246237, 492474, 738711, 1067027, 1477422, 2134054, 3201081, 6402162, 9603243, 19206486]

約数ペア:

[(1, 19206486), (2, 9603243), (3, 6402162), (6, 3201081), (9, 2134054), (13, 1477422), (18, 1067027), (26, 738711), (39, 492474), (78, 246237), (117, 164158), (211, 91026), (234, 82079), (389, 49374), (422, 45513), (633, 30342), (778, 24687), (1167, 16458), (1266, 15171), (1899, 10114), (2334, 8229), (2743, 7002), (3501, 5486), (3798, 5057)]