19641754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3557}}^1$

素因数の和:3821

約数の個数: 16

約数和(自身を含む): 32278176

約数和(自身を除く): 12636422

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3557, 5522, 7114, 39127, 78254, 892807, 1785614, 9820877, 19641754]

約数ペア:

[(1, 19641754), (2, 9820877), (11, 1785614), (22, 892807), (251, 78254), (502, 39127), (2761, 7114), (3557, 5522)]