19834479

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 34398208

約数和(自身を除く): 14563729

約数列:

[1, 3, 7, 9, 21, 37, 63, 67, 111, 127, 201, 259, 333, 381, 469, 603, 777, 889, 1143, 1407, 2331, 2479, 2667, 4221, 4699, 7437, 8001, 8509, 14097, 17353, 22311, 25527, 32893, 42291, 52059, 59563, 76581, 98679, 156177, 178689, 296037, 314833, 536067, 944499, 2203831, 2833497, 6611493, 19834479]

約数ペア:

[(1, 19834479), (3, 6611493), (7, 2833497), (9, 2203831), (21, 944499), (37, 536067), (63, 314833), (67, 296037), (111, 178689), (127, 156177), (201, 98679), (259, 76581), (333, 59563), (381, 52059), (469, 42291), (603, 32893), (777, 25527), (889, 22311), (1143, 17353), (1407, 14097), (2331, 8509), (2479, 8001), (2667, 7437), (4221, 4699)]