19343989

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 23263488

約数和(自身を除く): 3919499

約数列:

[1, 7, 23, 137, 161, 877, 959, 3151, 6139, 20171, 22057, 120149, 141197, 841043, 2763427, 19343989]

約数ペア:

[(1, 19343989), (7, 2763427), (23, 841043), (137, 141197), (161, 120149), (877, 22057), (959, 20171), (3151, 6139)]