18783856

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 48486480

約数和(自身を除く): 29702624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 49, 52, 56, 76, 91, 97, 98, 104, 112, 133, 152, 182, 194, 196, 208, 247, 266, 304, 364, 388, 392, 494, 532, 637, 679, 728, 776, 784, 931, 988, 1064, 1261, 1274, 1358, 1456, 1552, 1729, 1843, 1862, 1976, 2128, 2522, 2548, 2716, 3458, 3686, 3724, 3952, 4753, 5044, 5096, 5432, 6916, 7372, 7448, 8827, 9506, 10088, 10192, 10864, 12103, 12901, 13832, 14744, 14896, 17654, 19012, 20176, 23959, 24206, 25802, 27664, 29488, 35308, 38024, 47918, 48412, 51604, 61789, 70616, 76048, 90307, 95836, 96824, 103208, 123578, 141232, 167713, 180614, 191672, 193648, 206416, 247156, 335426, 361228, 383344, 494312, 670852, 722456, 988624, 1173991, 1341704, 1444912, 2347982, 2683408, 4695964, 9391928, 18783856]

約数ペア:

[(1, 18783856), (2, 9391928), (4, 4695964), (7, 2683408), (8, 2347982), (13, 1444912), (14, 1341704), (16, 1173991), (19, 988624), (26, 722456), (28, 670852), (38, 494312), (49, 383344), (52, 361228), (56, 335426), (76, 247156), (91, 206416), (97, 193648), (98, 191672), (104, 180614), (112, 167713), (133, 141232), (152, 123578), (182, 103208), (194, 96824), (196, 95836), (208, 90307), (247, 76048), (266, 70616), (304, 61789), (364, 51604), (388, 48412), (392, 47918), (494, 38024), (532, 35308), (637, 29488), (679, 27664), (728, 25802), (776, 24206), (784, 23959), (931, 20176), (988, 19012), (1064, 17654), (1261, 14896), (1274, 14744), (1358, 13832), (1456, 12901), (1552, 12103), (1729, 10864), (1843, 10192), (1862, 10088), (1976, 9506), (2128, 8827), (2522, 7448), (2548, 7372), (2716, 6916), (3458, 5432), (3686, 5096), (3724, 5044), (3952, 4753)]