19933972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{367}}^2$

素因数の和:775

約数の個数: 18

約数和(自身を含む): 35925162

約数和(自身を除く): 15991190

約数列:

[1, 2, 4, 37, 74, 148, 367, 734, 1468, 13579, 27158, 54316, 134689, 269378, 538756, 4983493, 9966986, 19933972]

約数ペア:

[(1, 19933972), (2, 9966986), (4, 4983493), (37, 538756), (74, 269378), (148, 134689), (367, 54316), (734, 27158), (1468, 13579)]