19091408

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 46139904

約数和(自身を除く): 27048496

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 37, 56, 68, 74, 112, 119, 136, 148, 238, 259, 271, 272, 296, 476, 518, 542, 592, 629, 952, 1036, 1084, 1258, 1897, 1904, 2072, 2168, 2516, 3794, 4144, 4336, 4403, 4607, 5032, 7588, 8806, 9214, 10027, 10064, 15176, 17612, 18428, 20054, 30352, 32249, 35224, 36856, 40108, 64498, 70189, 70448, 73712, 80216, 128996, 140378, 160432, 170459, 257992, 280756, 340918, 515984, 561512, 681836, 1123024, 1193213, 1363672, 2386426, 2727344, 4772852, 9545704, 19091408]

約数ペア:

[(1, 19091408), (2, 9545704), (4, 4772852), (7, 2727344), (8, 2386426), (14, 1363672), (16, 1193213), (17, 1123024), (28, 681836), (34, 561512), (37, 515984), (56, 340918), (68, 280756), (74, 257992), (112, 170459), (119, 160432), (136, 140378), (148, 128996), (238, 80216), (259, 73712), (271, 70448), (272, 70189), (296, 64498), (476, 40108), (518, 36856), (542, 35224), (592, 32249), (629, 30352), (952, 20054), (1036, 18428), (1084, 17612), (1258, 15176), (1897, 10064), (1904, 10027), (2072, 9214), (2168, 8806), (2516, 7588), (3794, 5032), (4144, 4607), (4336, 4403)]