19247445

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 41184000

約数和(自身を除く): 21936555

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 43, 45, 49, 63, 87, 105, 129, 145, 147, 203, 215, 245, 261, 301, 315, 343, 387, 435, 441, 609, 645, 735, 903, 1015, 1029, 1247, 1305, 1421, 1505, 1715, 1827, 1935, 2107, 2205, 2709, 3045, 3087, 3741, 4263, 4515, 5145, 6235, 6321, 7105, 8729, 9135, 9947, 10535, 11223, 12789, 13545, 14749, 15435, 18705, 18963, 21315, 26187, 29841, 31605, 43645, 44247, 49735, 56115, 61103, 63945, 73745, 78561, 89523, 94815, 130935, 132741, 149205, 183309, 221235, 305515, 392805, 427721, 447615, 549927, 663705, 916545, 1283163, 2138605, 2749635, 3849489, 6415815, 19247445]

約数ペア:

[(1, 19247445), (3, 6415815), (5, 3849489), (7, 2749635), (9, 2138605), (15, 1283163), (21, 916545), (29, 663705), (35, 549927), (43, 447615), (45, 427721), (49, 392805), (63, 305515), (87, 221235), (105, 183309), (129, 149205), (145, 132741), (147, 130935), (203, 94815), (215, 89523), (245, 78561), (261, 73745), (301, 63945), (315, 61103), (343, 56115), (387, 49735), (435, 44247), (441, 43645), (609, 31605), (645, 29841), (735, 26187), (903, 21315), (1015, 18963), (1029, 18705), (1247, 15435), (1305, 14749), (1421, 13545), (1505, 12789), (1715, 11223), (1827, 10535), (1935, 9947), (2107, 9135), (2205, 8729), (2709, 7105), (3045, 6321), (3087, 6235), (3741, 5145), (4263, 4515)]