19087012

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 20652380

約数列:

[1, 2, 4, 7, 14, 28, 43, 83, 86, 166, 172, 191, 301, 332, 382, 581, 602, 764, 1162, 1204, 1337, 2324, 2674, 3569, 5348, 7138, 8213, 14276, 15853, 16426, 24983, 31706, 32852, 49966, 57491, 63412, 99932, 110971, 114982, 221942, 229964, 443884, 681679, 1363358, 2726716, 4771753, 9543506, 19087012]

約数ペア:

[(1, 19087012), (2, 9543506), (4, 4771753), (7, 2726716), (14, 1363358), (28, 681679), (43, 443884), (83, 229964), (86, 221942), (166, 114982), (172, 110971), (191, 99932), (301, 63412), (332, 57491), (382, 49966), (581, 32852), (602, 31706), (764, 24983), (1162, 16426), (1204, 15853), (1337, 14276), (2324, 8213), (2674, 7138), (3569, 5348)]