19880528

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17021}}^1$

素因数の和:17102

約数の個数: 20

約数和(自身を含む): 39048468

約数和(自身を除く): 19167940

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17021, 34042, 68084, 136168, 272336, 1242533, 2485066, 4970132, 9940264, 19880528]

約数ペア:

[(1, 19880528), (2, 9940264), (4, 4970132), (8, 2485066), (16, 1242533), (73, 272336), (146, 136168), (292, 68084), (584, 34042), (1168, 17021)]