19805602

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2423}}^1$

素因数の和:2553

約数の個数: 16

約数和(自身を含む): 30658752

約数和(自身を除く): 10853150

約数列:

[1, 2, 61, 67, 122, 134, 2423, 4087, 4846, 8174, 147803, 162341, 295606, 324682, 9902801, 19805602]

約数ペア:

[(1, 19805602), (2, 9902801), (61, 324682), (67, 295606), (122, 162341), (134, 147803), (2423, 8174), (4087, 4846)]