19958121118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1240097}}^1$

素因数の和:1240731

約数の個数: 16

約数和(自身を含む): 32292151920

約数和(自身を除く): 12334030802

約数列:

[1, 2, 13, 26, 619, 1238, 8047, 16094, 1240097, 2480194, 16121261, 32242522, 767620043, 1535240086, 9979060559, 19958121118]

約数ペア:

[(1, 19958121118), (2, 9979060559), (13, 1535240086), (26, 767620043), (619, 32242522), (1238, 16121261), (8047, 2480194), (16094, 1240097)]