19204360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 49921920

約数和(自身を除く): 30717560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 641, 749, 856, 1070, 1282, 1498, 2140, 2564, 2996, 3205, 3745, 4280, 4487, 5128, 5992, 6410, 7490, 8974, 12820, 14980, 17948, 22435, 25640, 29960, 35896, 44870, 68587, 89740, 137174, 179480, 274348, 342935, 480109, 548696, 685870, 960218, 1371740, 1920436, 2400545, 2743480, 3840872, 4801090, 9602180, 19204360]

約数ペア:

[(1, 19204360), (2, 9602180), (4, 4801090), (5, 3840872), (7, 2743480), (8, 2400545), (10, 1920436), (14, 1371740), (20, 960218), (28, 685870), (35, 548696), (40, 480109), (56, 342935), (70, 274348), (107, 179480), (140, 137174), (214, 89740), (280, 68587), (428, 44870), (535, 35896), (641, 29960), (749, 25640), (856, 22435), (1070, 17948), (1282, 14980), (1498, 12820), (2140, 8974), (2564, 7490), (2996, 6410), (3205, 5992), (3745, 5128), (4280, 4487)]