19574919

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 36986880

約数和(自身を除く): 17411961

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 91, 93, 117, 189, 217, 257, 273, 279, 351, 403, 651, 771, 819, 837, 1209, 1799, 1953, 2313, 2457, 2821, 3341, 3627, 5397, 5859, 6939, 7967, 8463, 10023, 10881, 16191, 23387, 23901, 25389, 30069, 48573, 55769, 70161, 71703, 76167, 90207, 103571, 167307, 210483, 215109, 310713, 501921, 631449, 724997, 932139, 1505763, 2174991, 2796417, 6524973, 19574919]

約数ペア:

[(1, 19574919), (3, 6524973), (7, 2796417), (9, 2174991), (13, 1505763), (21, 932139), (27, 724997), (31, 631449), (39, 501921), (63, 310713), (91, 215109), (93, 210483), (117, 167307), (189, 103571), (217, 90207), (257, 76167), (273, 71703), (279, 70161), (351, 55769), (403, 48573), (651, 30069), (771, 25389), (819, 23901), (837, 23387), (1209, 16191), (1799, 10881), (1953, 10023), (2313, 8463), (2457, 7967), (2821, 6939), (3341, 5859), (3627, 5397)]