19640371191

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 32891973120

約数和(自身を除く): 13251601929

約数列:

[1, 3, 7, 21, 29, 31, 37, 87, 93, 111, 203, 217, 259, 609, 651, 777, 899, 907, 961, 1073, 1147, 2697, 2721, 2883, 3219, 3441, 6293, 6349, 6727, 7511, 8029, 18879, 19047, 20181, 22533, 24087, 26303, 27869, 28117, 33263, 33559, 35557, 78909, 83607, 84351, 99789, 100677, 106671, 184121, 195083, 196819, 232841, 234913, 248899, 552363, 585249, 590457, 698523, 704739, 746697, 815393, 871627, 973211, 1031153, 1040329, 2446179, 2614881, 2919633, 3093459, 3120987, 5707751, 6101389, 6812477, 7218071, 7282303, 17123253, 18304167, 20437431, 21654213, 21846909, 25277183, 30169541, 32250199, 75831549, 90508623, 96750597, 176940281, 211186787, 225751393, 530820843, 633560361, 677254179, 935255771, 2805767313, 6546790397, 19640371191]

約数ペア:

[(1, 19640371191), (3, 6546790397), (7, 2805767313), (21, 935255771), (29, 677254179), (31, 633560361), (37, 530820843), (87, 225751393), (93, 211186787), (111, 176940281), (203, 96750597), (217, 90508623), (259, 75831549), (609, 32250199), (651, 30169541), (777, 25277183), (899, 21846909), (907, 21654213), (961, 20437431), (1073, 18304167), (1147, 17123253), (2697, 7282303), (2721, 7218071), (2883, 6812477), (3219, 6101389), (3441, 5707751), (6293, 3120987), (6349, 3093459), (6727, 2919633), (7511, 2614881), (8029, 2446179), (18879, 1040329), (19047, 1031153), (20181, 973211), (22533, 871627), (24087, 815393), (26303, 746697), (27869, 704739), (28117, 698523), (33263, 590457), (33559, 585249), (35557, 552363), (78909, 248899), (83607, 234913), (84351, 232841), (99789, 196819), (100677, 195083), (106671, 184121)]