19672268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2777}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 44803584

約数和(自身を除く): 25131316

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2777, 3542, 5554, 7084, 11108, 19439, 30547, 38878, 61094, 63871, 77756, 122188, 127742, 213829, 255484, 427658, 447097, 702581, 855316, 894194, 1405162, 1788388, 2810324, 4918067, 9836134, 19672268]

約数ペア:

[(1, 19672268), (2, 9836134), (4, 4918067), (7, 2810324), (11, 1788388), (14, 1405162), (22, 894194), (23, 855316), (28, 702581), (44, 447097), (46, 427658), (77, 255484), (92, 213829), (154, 127742), (161, 122188), (253, 77756), (308, 63871), (322, 61094), (506, 38878), (644, 30547), (1012, 19439), (1771, 11108), (2777, 7084), (3542, 5554)]