19693492

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 24547628

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 59, 91, 98, 118, 131, 182, 196, 236, 262, 364, 413, 524, 637, 767, 826, 917, 1274, 1534, 1652, 1703, 1834, 2548, 2891, 3068, 3406, 3668, 5369, 5782, 6419, 6812, 7729, 10738, 11564, 11921, 12838, 15458, 21476, 23842, 25676, 30916, 37583, 47684, 54103, 75166, 83447, 100477, 108206, 150332, 166894, 200954, 216412, 333788, 378721, 401908, 703339, 757442, 1406678, 1514884, 2813356, 4923373, 9846746, 19693492]

約数ペア:

[(1, 19693492), (2, 9846746), (4, 4923373), (7, 2813356), (13, 1514884), (14, 1406678), (26, 757442), (28, 703339), (49, 401908), (52, 378721), (59, 333788), (91, 216412), (98, 200954), (118, 166894), (131, 150332), (182, 108206), (196, 100477), (236, 83447), (262, 75166), (364, 54103), (413, 47684), (524, 37583), (637, 30916), (767, 25676), (826, 23842), (917, 21476), (1274, 15458), (1534, 12838), (1652, 11921), (1703, 11564), (1834, 10738), (2548, 7729), (2891, 6812), (3068, 6419), (3406, 5782), (3668, 5369)]