19630790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 36723456

約数和(自身を除く): 17092666

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 643, 710, 1286, 3053, 3215, 6106, 6430, 15265, 27649, 30530, 45653, 55298, 91306, 138245, 228265, 276490, 456530, 1963079, 3926158, 9815395, 19630790]

約数ペア:

[(1, 19630790), (2, 9815395), (5, 3926158), (10, 1963079), (43, 456530), (71, 276490), (86, 228265), (142, 138245), (215, 91306), (355, 55298), (430, 45653), (643, 30530), (710, 27649), (1286, 15265), (3053, 6430), (3215, 6106)]