19213047

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2332

約数の個数: 36

約数和(自身を含む): 33997080

約数和(自身を除く): 14784033

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2293, 2793, 6879, 8379, 16051, 20637, 43567, 48153, 112357, 130701, 144459, 304969, 337071, 392103, 914907, 1011213, 2134783, 2744721, 6404349, 19213047]

約数ペア:

[(1, 19213047), (3, 6404349), (7, 2744721), (9, 2134783), (19, 1011213), (21, 914907), (49, 392103), (57, 337071), (63, 304969), (133, 144459), (147, 130701), (171, 112357), (399, 48153), (441, 43567), (931, 20637), (1197, 16051), (2293, 8379), (2793, 6879)]