19688428

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 35117712

約数和(自身を除く): 15429284

約数列:

[1, 2, 4, 107, 157, 214, 293, 314, 428, 586, 628, 1172, 16799, 31351, 33598, 46001, 62702, 67196, 92002, 125404, 184004, 4922107, 9844214, 19688428]

約数ペア:

[(1, 19688428), (2, 9844214), (4, 4922107), (107, 184004), (157, 125404), (214, 92002), (293, 67196), (314, 62702), (428, 46001), (586, 33598), (628, 31351), (1172, 16799)]