18999183

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2847

約数の個数: 32

約数和(自身を含む): 32279040

約数和(自身を除く): 13279857

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2801, 6783, 8403, 19607, 47617, 53219, 58821, 142851, 159657, 333319, 372533, 904723, 999957, 1117599, 2714169, 6333061, 18999183]

約数ペア:

[(1, 18999183), (3, 6333061), (7, 2714169), (17, 1117599), (19, 999957), (21, 904723), (51, 372533), (57, 333319), (119, 159657), (133, 142851), (323, 58821), (357, 53219), (399, 47617), (969, 19607), (2261, 8403), (2801, 6783)]