19500970

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12421}}^1$

素因数の和:12585

約数の個数: 16

約数和(自身を含む): 35328168

約数和(自身を除く): 15827198

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12421, 24842, 62105, 124210, 1950097, 3900194, 9750485, 19500970]

約数ペア:

[(1, 19500970), (2, 9750485), (5, 3900194), (10, 1950097), (157, 124210), (314, 62105), (785, 24842), (1570, 12421)]