19975450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36319}}^1$

素因数の和:36342

約数の個数: 24

約数和(自身を含む): 40533120

約数和(自身を除く): 20557670

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 36319, 72638, 181595, 363190, 399509, 799018, 907975, 1815950, 1997545, 3995090, 9987725, 19975450]

約数ペア:

[(1, 19975450), (2, 9987725), (5, 3995090), (10, 1997545), (11, 1815950), (22, 907975), (25, 799018), (50, 399509), (55, 363190), (110, 181595), (275, 72638), (550, 36319)]