2019857719

素因数分解:

${\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 2400289200

約数和(自身を除く): 380431481

約数列:

[1, 11, 19, 53, 121, 137, 209, 583, 1007, 1331, 1507, 2299, 2603, 6413, 7261, 11077, 14641, 16577, 25289, 28633, 70543, 79871, 121847, 137959, 182347, 278179, 314963, 775973, 878581, 1340317, 1517549, 2005817, 3464593, 9664391, 14743487, 16693039, 38110523, 106308301, 183623429, 2019857719]

約数ペア:

[(1, 2019857719), (11, 183623429), (19, 106308301), (53, 38110523), (121, 16693039), (137, 14743487), (209, 9664391), (583, 3464593), (1007, 2005817), (1331, 1517549), (1507, 1340317), (2299, 878581), (2603, 775973), (6413, 314963), (7261, 278179), (11077, 182347), (14641, 137959), (16577, 121847), (25289, 79871), (28633, 70543)]