12719826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 31746624

約数和(自身を除く): 19026798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 643, 942, 1099, 1286, 1413, 1929, 2198, 2826, 3297, 3858, 4501, 5787, 6594, 9002, 9891, 11574, 13503, 19782, 27006, 40509, 81018, 100951, 201902, 302853, 605706, 706657, 908559, 1413314, 1817118, 2119971, 4239942, 6359913, 12719826]

約数ペア:

[(1, 12719826), (2, 6359913), (3, 4239942), (6, 2119971), (7, 1817118), (9, 1413314), (14, 908559), (18, 706657), (21, 605706), (42, 302853), (63, 201902), (126, 100951), (157, 81018), (314, 40509), (471, 27006), (643, 19782), (942, 13503), (1099, 11574), (1286, 9891), (1413, 9002), (1929, 6594), (2198, 5787), (2826, 4501), (3297, 3858)]