19636785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 43580160

約数和(自身を除く): 23943375

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 153, 171, 193, 255, 285, 315, 323, 357, 399, 579, 595, 665, 765, 855, 965, 969, 1071, 1197, 1351, 1615, 1737, 1785, 1995, 2261, 2895, 2907, 3281, 3667, 4053, 4845, 5355, 5985, 6755, 6783, 8685, 9843, 11001, 11305, 12159, 14535, 16405, 18335, 20265, 20349, 22967, 25669, 29529, 33003, 33915, 49215, 55005, 60795, 62339, 68901, 77007, 101745, 114835, 128345, 147645, 165015, 187017, 206703, 231021, 311695, 344505, 385035, 436373, 561051, 935085, 1033515, 1155105, 1309119, 2181865, 2805255, 3927357, 6545595, 19636785]

約数ペア:

[(1, 19636785), (3, 6545595), (5, 3927357), (7, 2805255), (9, 2181865), (15, 1309119), (17, 1155105), (19, 1033515), (21, 935085), (35, 561051), (45, 436373), (51, 385035), (57, 344505), (63, 311695), (85, 231021), (95, 206703), (105, 187017), (119, 165015), (133, 147645), (153, 128345), (171, 114835), (193, 101745), (255, 77007), (285, 68901), (315, 62339), (323, 60795), (357, 55005), (399, 49215), (579, 33915), (595, 33003), (665, 29529), (765, 25669), (855, 22967), (965, 20349), (969, 20265), (1071, 18335), (1197, 16405), (1351, 14535), (1615, 12159), (1737, 11305), (1785, 11001), (1995, 9843), (2261, 8685), (2895, 6783), (2907, 6755), (3281, 5985), (3667, 5355), (4053, 4845)]