19870656

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 112

約数和(自身を含む): 59740800

約数和(自身を除く): 39870144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 152, 156, 192, 208, 228, 247, 304, 312, 416, 419, 456, 494, 608, 624, 741, 832, 838, 912, 988, 1216, 1248, 1257, 1482, 1676, 1824, 1976, 2496, 2514, 2964, 3352, 3648, 3952, 5028, 5447, 5928, 6704, 7904, 7961, 10056, 10894, 11856, 13408, 15808, 15922, 16341, 20112, 21788, 23712, 23883, 26816, 31844, 32682, 40224, 43576, 47424, 47766, 63688, 65364, 80448, 87152, 95532, 103493, 127376, 130728, 174304, 191064, 206986, 254752, 261456, 310479, 348608, 382128, 413972, 509504, 522912, 620958, 764256, 827944, 1045824, 1241916, 1528512, 1655888, 2483832, 3311776, 4967664, 6623552, 9935328, 19870656]

約数ペア:

[(1, 19870656), (2, 9935328), (3, 6623552), (4, 4967664), (6, 3311776), (8, 2483832), (12, 1655888), (13, 1528512), (16, 1241916), (19, 1045824), (24, 827944), (26, 764256), (32, 620958), (38, 522912), (39, 509504), (48, 413972), (52, 382128), (57, 348608), (64, 310479), (76, 261456), (78, 254752), (96, 206986), (104, 191064), (114, 174304), (152, 130728), (156, 127376), (192, 103493), (208, 95532), (228, 87152), (247, 80448), (304, 65364), (312, 63688), (416, 47766), (419, 47424), (456, 43576), (494, 40224), (608, 32682), (624, 31844), (741, 26816), (832, 23883), (838, 23712), (912, 21788), (988, 20112), (1216, 16341), (1248, 15922), (1257, 15808), (1482, 13408), (1676, 11856), (1824, 10894), (1976, 10056), (2496, 7961), (2514, 7904), (2964, 6704), (3352, 5928), (3648, 5447), (3952, 5028)]