2018772021

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{722797}}^1$

素因数の和:722833

約数の個数: 24

約数和(自身を含む): 3295958880

約数和(自身を除く): 1277186859

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 722797, 2168391, 5059579, 13733143, 15178737, 35417053, 41199429, 96132001, 106251159, 288396003, 672924007, 2018772021]

約数ペア:

[(1, 2018772021), (3, 672924007), (7, 288396003), (19, 106251159), (21, 96132001), (49, 41199429), (57, 35417053), (133, 15178737), (147, 13733143), (399, 5059579), (931, 2168391), (2793, 722797)]