18700864

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 112

約数和(自身を含む): 48361600

約数和(自身を除く): 29660736

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 152, 169, 182, 208, 224, 247, 266, 304, 338, 364, 416, 448, 494, 532, 608, 676, 728, 832, 988, 1064, 1183, 1216, 1352, 1456, 1729, 1976, 2128, 2197, 2366, 2704, 2912, 3211, 3458, 3952, 4256, 4394, 4732, 5408, 5824, 6422, 6916, 7904, 8512, 8788, 9464, 10816, 12844, 13832, 15379, 15808, 17576, 18928, 22477, 25688, 27664, 30758, 35152, 37856, 41743, 44954, 51376, 55328, 61516, 70304, 75712, 83486, 89908, 102752, 110656, 123032, 140608, 166972, 179816, 205504, 246064, 292201, 333944, 359632, 492128, 584402, 667888, 719264, 984256, 1168804, 1335776, 1438528, 2337608, 2671552, 4675216, 9350432, 18700864]

約数ペア:

[(1, 18700864), (2, 9350432), (4, 4675216), (7, 2671552), (8, 2337608), (13, 1438528), (14, 1335776), (16, 1168804), (19, 984256), (26, 719264), (28, 667888), (32, 584402), (38, 492128), (52, 359632), (56, 333944), (64, 292201), (76, 246064), (91, 205504), (104, 179816), (112, 166972), (133, 140608), (152, 123032), (169, 110656), (182, 102752), (208, 89908), (224, 83486), (247, 75712), (266, 70304), (304, 61516), (338, 55328), (364, 51376), (416, 44954), (448, 41743), (494, 37856), (532, 35152), (608, 30758), (676, 27664), (728, 25688), (832, 22477), (988, 18928), (1064, 17576), (1183, 15808), (1216, 15379), (1352, 13832), (1456, 12844), (1729, 10816), (1976, 9464), (2128, 8788), (2197, 8512), (2366, 7904), (2704, 6916), (2912, 6422), (3211, 5824), (3458, 5408), (3952, 4732), (4256, 4394)]