19218584

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4457}}^1$

素因数の和:4488

約数の個数: 48

約数和(自身を含む): 45739080

約数和(自身を除く): 26520496

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4457, 8914, 17828, 31199, 35656, 49027, 62398, 98054, 124796, 196108, 218393, 249592, 343189, 392216, 436786, 686378, 873572, 1372756, 1747144, 2402323, 2745512, 4804646, 9609292, 19218584]

約数ペア:

[(1, 19218584), (2, 9609292), (4, 4804646), (7, 2745512), (8, 2402323), (11, 1747144), (14, 1372756), (22, 873572), (28, 686378), (44, 436786), (49, 392216), (56, 343189), (77, 249592), (88, 218393), (98, 196108), (154, 124796), (196, 98054), (308, 62398), (392, 49027), (539, 35656), (616, 31199), (1078, 17828), (2156, 8914), (4312, 4457)]