19736528

素因数分解:

$2^4\times 7^1\times {\mathrm{313}}^1\times {\mathrm{563}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 43919808

約数和(自身を除く): 24183280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 313, 563, 626, 1126, 1252, 2191, 2252, 2504, 3941, 4382, 4504, 5008, 7882, 8764, 9008, 15764, 17528, 31528, 35056, 63056, 176219, 352438, 704876, 1233533, 1409752, 2467066, 2819504, 4934132, 9868264, 19736528]

約数ペア:

[(1, 19736528), (2, 9868264), (4, 4934132), (7, 2819504), (8, 2467066), (14, 1409752), (16, 1233533), (28, 704876), (56, 352438), (112, 176219), (313, 63056), (563, 35056), (626, 31528), (1126, 17528), (1252, 15764), (2191, 9008), (2252, 8764), (2504, 7882), (3941, 5008), (4382, 4504)]