19797470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3673}}^1$

素因数の和:3705

約数の個数: 48

約数和(自身を含む): 45234288

約数和(自身を除く): 25436818

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3673, 5390, 7346, 18365, 25711, 36730, 40403, 51422, 80806, 128555, 179977, 202015, 257110, 282821, 359954, 404030, 565642, 899885, 1414105, 1799770, 1979747, 2828210, 3959494, 9898735, 19797470]

約数ペア:

[(1, 19797470), (2, 9898735), (5, 3959494), (7, 2828210), (10, 1979747), (11, 1799770), (14, 1414105), (22, 899885), (35, 565642), (49, 404030), (55, 359954), (70, 282821), (77, 257110), (98, 202015), (110, 179977), (154, 128555), (245, 80806), (385, 51422), (490, 40403), (539, 36730), (770, 25711), (1078, 18365), (2695, 7346), (3673, 5390)]