18739754

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:602

約数の個数: 24

約数和(自身を含む): 31128384

約数和(自身を除く): 12388630

約数列:

[1, 2, 11, 22, 121, 211, 242, 367, 422, 734, 2321, 4037, 4642, 8074, 25531, 44407, 51062, 77437, 88814, 154874, 851807, 1703614, 9369877, 18739754]

約数ペア:

[(1, 18739754), (2, 9369877), (11, 1703614), (22, 851807), (121, 154874), (211, 88814), (242, 77437), (367, 51062), (422, 44407), (734, 25531), (2321, 8074), (4037, 4642)]