19956670

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42461}}^1$

素因数の和:42515

約数の個数: 16

約数和(自身を含む): 36687168

約数和(自身を除く): 16730498

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 42461, 84922, 212305, 424610, 1995667, 3991334, 9978335, 19956670]

約数ペア:

[(1, 19956670), (2, 9978335), (5, 3991334), (10, 1995667), (47, 424610), (94, 212305), (235, 84922), (470, 42461)]