2051243990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1\times {\mathrm{11903}}^1$

素因数の和:12836

約数の個数: 32

約数和(自身を含む): 3891179520

約数和(自身を除く): 1839935530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 907, 1814, 4535, 9070, 11903, 17233, 23806, 34466, 59515, 86165, 119030, 172330, 226157, 452314, 1130785, 2261570, 10796021, 21592042, 53980105, 107960210, 205124399, 410248798, 1025621995, 2051243990]

約数ペア:

[(1, 2051243990), (2, 1025621995), (5, 410248798), (10, 205124399), (19, 107960210), (38, 53980105), (95, 21592042), (190, 10796021), (907, 2261570), (1814, 1130785), (4535, 452314), (9070, 226157), (11903, 172330), (17233, 119030), (23806, 86165), (34466, 59515)]