17920970

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 33067008

約数和(自身を除く): 15146038

約数列:

[1, 2, 5, 10, 103, 127, 137, 206, 254, 274, 515, 635, 685, 1030, 1270, 1370, 13081, 14111, 17399, 26162, 28222, 34798, 65405, 70555, 86995, 130810, 141110, 173990, 1792097, 3584194, 8960485, 17920970]

約数ペア:

[(1, 17920970), (2, 8960485), (5, 3584194), (10, 1792097), (103, 173990), (127, 141110), (137, 130810), (206, 86995), (254, 70555), (274, 65405), (515, 34798), (635, 28222), (685, 26162), (1030, 17399), (1270, 14111), (1370, 13081)]