2019291220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1\times {\mathrm{937}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 4271314320

約数和(自身を除く): 2252023100

約数列:

[1, 2, 4, 5, 10, 20, 277, 389, 554, 778, 937, 1108, 1385, 1556, 1874, 1945, 2770, 3748, 3890, 4685, 5540, 7780, 9370, 18740, 107753, 215506, 259549, 364493, 431012, 519098, 538765, 728986, 1038196, 1077530, 1297745, 1457972, 1822465, 2155060, 2595490, 3644930, 5190980, 7289860, 100964561, 201929122, 403858244, 504822805, 1009645610, 2019291220]

約数ペア:

[(1, 2019291220), (2, 1009645610), (4, 504822805), (5, 403858244), (10, 201929122), (20, 100964561), (277, 7289860), (389, 5190980), (554, 3644930), (778, 2595490), (937, 2155060), (1108, 1822465), (1385, 1457972), (1556, 1297745), (1874, 1077530), (1945, 1038196), (2770, 728986), (3748, 538765), (3890, 519098), (4685, 431012), (5540, 364493), (7780, 259549), (9370, 215506), (18740, 107753)]