19958234

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{661}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 31013376

約数和(自身を除く): 11055142

約数列:

[1, 2, 31, 62, 487, 661, 974, 1322, 15097, 20491, 30194, 40982, 321907, 643814, 9979117, 19958234]

約数ペア:

[(1, 19958234), (2, 9979117), (31, 643814), (62, 321907), (487, 40982), (661, 30194), (974, 20491), (1322, 15097)]