19711630

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45841}}^1$

素因数の和:45891

約数の個数: 16

約数和(自身を含む): 36306864

約数和(自身を除く): 16595234

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 45841, 91682, 229205, 458410, 1971163, 3942326, 9855815, 19711630]

約数ペア:

[(1, 19711630), (2, 9855815), (5, 3942326), (10, 1971163), (43, 458410), (86, 229205), (215, 91682), (430, 45841)]