19398027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{15887}}^1$

素因数の和:15938

約数の個数: 16

約数和(自身を含む): 28979712

約数和(自身を除く): 9581685

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 15887, 47661, 174757, 524271, 587819, 1763457, 6466009, 19398027]

約数ペア:

[(1, 19398027), (3, 6466009), (11, 1763457), (33, 587819), (37, 524271), (111, 174757), (407, 47661), (1221, 15887)]