19787762

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12871438

約数列:

[1, 2, 17, 34, 53, 79, 106, 139, 158, 278, 901, 1343, 1802, 2363, 2686, 4187, 4726, 7367, 8374, 10981, 14734, 21962, 71179, 125239, 142358, 186677, 250478, 373354, 581993, 1163986, 9893881, 19787762]

約数ペア:

[(1, 19787762), (2, 9893881), (17, 1163986), (34, 581993), (53, 373354), (79, 250478), (106, 186677), (139, 142358), (158, 125239), (278, 71179), (901, 21962), (1343, 14734), (1802, 10981), (2363, 8374), (2686, 7367), (4187, 4726)]