19958834

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23371}}^1$

素因数の和:23441

約数の個数: 16

約数和(自身を含む): 34777536

約数和(自身を除く): 14818702

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23371, 46742, 163597, 327194, 1425631, 2851262, 9979417, 19958834]

約数ペア:

[(1, 19958834), (2, 9979417), (7, 2851262), (14, 1425631), (61, 327194), (122, 163597), (427, 46742), (854, 23371)]