2018642740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{21937}}^1$

素因数の和:22096

約数の個数: 48

約数和(自身を含む): 4378473792

約数和(自身を除く): 2359831052

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 172, 214, 215, 428, 430, 535, 860, 1070, 2140, 4601, 9202, 18404, 21937, 23005, 43874, 46010, 87748, 92020, 109685, 219370, 438740, 943291, 1886582, 2347259, 3773164, 4694518, 4716455, 9389036, 9432910, 11736295, 18865820, 23472590, 46945180, 100932137, 201864274, 403728548, 504660685, 1009321370, 2018642740]

約数ペア:

[(1, 2018642740), (2, 1009321370), (4, 504660685), (5, 403728548), (10, 201864274), (20, 100932137), (43, 46945180), (86, 23472590), (107, 18865820), (172, 11736295), (214, 9432910), (215, 9389036), (428, 4716455), (430, 4694518), (535, 3773164), (860, 2347259), (1070, 1886582), (2140, 943291), (4601, 438740), (9202, 219370), (18404, 109685), (21937, 92020), (23005, 87748), (43874, 46010)]