19949140

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1753}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 41990760

約数和(自身を除く): 22041620

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1753, 2276, 2845, 3506, 5690, 7012, 8765, 11380, 17530, 35060, 997457, 1994914, 3989828, 4987285, 9974570, 19949140]

約数ペア:

[(1, 19949140), (2, 9974570), (4, 4987285), (5, 3989828), (10, 1994914), (20, 997457), (569, 35060), (1138, 17530), (1753, 11380), (2276, 8765), (2845, 7012), (3506, 5690)]