19487138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3529}}^1$

素因数の和:3793

約数の個数: 16

約数和(自身を含む): 32024160

約数和(自身を除く): 12537022

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3529, 5522, 7058, 38819, 77638, 885779, 1771558, 9743569, 19487138]

約数ペア:

[(1, 19487138), (2, 9743569), (11, 1771558), (22, 885779), (251, 77638), (502, 38819), (2761, 7058), (3529, 5522)]