20183551857

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{42473}}^1$

素因数の和:42902

約数の個数: 48

約数和(自身を含む): 35161676160

約数和(自身を除く): 14978124303

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 397, 399, 1191, 1197, 2779, 3573, 7543, 8337, 22629, 25011, 42473, 52801, 67887, 127419, 158403, 297311, 382257, 475209, 806987, 891933, 2420961, 2675799, 5648909, 7262883, 16861781, 16946727, 50585343, 50840181, 118032467, 151756029, 320373839, 354097401, 961121517, 1062292203, 2242616873, 2883364551, 6727850619, 20183551857]

約数ペア:

[(1, 20183551857), (3, 6727850619), (7, 2883364551), (9, 2242616873), (19, 1062292203), (21, 961121517), (57, 354097401), (63, 320373839), (133, 151756029), (171, 118032467), (397, 50840181), (399, 50585343), (1191, 16946727), (1197, 16861781), (2779, 7262883), (3573, 5648909), (7543, 2675799), (8337, 2420961), (22629, 891933), (25011, 806987), (42473, 475209), (52801, 382257), (67887, 297311), (127419, 158403)]