19954878

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{49639}}^1$

素因数の和:49711

約数の個数: 16

約数和(自身を含む): 40506240

約数和(自身を除く): 20551362

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 49639, 99278, 148917, 297834, 3325813, 6651626, 9977439, 19954878]

約数ペア:

[(1, 19954878), (2, 9977439), (3, 6651626), (6, 3325813), (67, 297834), (134, 148917), (201, 99278), (402, 49639)]