19686604

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 21294644

約数列:

[1, 2, 4, 7, 14, 28, 43, 83, 86, 166, 172, 197, 301, 332, 394, 581, 602, 788, 1162, 1204, 1379, 2324, 2758, 3569, 5516, 7138, 8471, 14276, 16351, 16942, 24983, 32702, 33884, 49966, 59297, 65404, 99932, 114457, 118594, 228914, 237188, 457828, 703093, 1406186, 2812372, 4921651, 9843302, 19686604]

約数ペア:

[(1, 19686604), (2, 9843302), (4, 4921651), (7, 2812372), (14, 1406186), (28, 703093), (43, 457828), (83, 237188), (86, 228914), (166, 118594), (172, 114457), (197, 99932), (301, 65404), (332, 59297), (394, 49966), (581, 33884), (602, 32702), (788, 24983), (1162, 16942), (1204, 16351), (1379, 14276), (2324, 8471), (2758, 7138), (3569, 5516)]