19873918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{3923}}^1$

素因数の和:4091

約数の個数: 16

約数和(自身を含む): 31784400

約数和(自身を除く): 11910482

約数列:

[1, 2, 17, 34, 149, 298, 2533, 3923, 5066, 7846, 66691, 133382, 584527, 1169054, 9936959, 19873918]

約数ペア:

[(1, 19873918), (2, 9936959), (17, 1169054), (34, 584527), (149, 133382), (298, 66691), (2533, 7846), (3923, 5066)]