18979803

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6529}}^1$

素因数の和:6571

約数の個数: 24

約数和(自身を含む): 30560400

約数和(自身を除く): 11580597

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 6529, 19587, 58761, 110993, 124051, 332979, 372153, 998937, 1116459, 2108867, 6326601, 18979803]

約数ペア:

[(1, 18979803), (3, 6326601), (9, 2108867), (17, 1116459), (19, 998937), (51, 372153), (57, 332979), (153, 124051), (171, 110993), (323, 58761), (969, 19587), (2907, 6529)]