19720510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 37806912

約数和(自身を除く): 18086402

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 311, 373, 622, 746, 1555, 1865, 3110, 3730, 5287, 6341, 10574, 12682, 26435, 31705, 52870, 63410, 116003, 232006, 580015, 1160030, 1972051, 3944102, 9860255, 19720510]

約数ペア:

[(1, 19720510), (2, 9860255), (5, 3944102), (10, 1972051), (17, 1160030), (34, 580015), (85, 232006), (170, 116003), (311, 63410), (373, 52870), (622, 31705), (746, 26435), (1555, 12682), (1865, 10574), (3110, 6341), (3730, 5287)]