20180276

素因数分解:

$2^2\times {\mathrm{1019}}^1\times {\mathrm{4951}}^1$

素因数の和:5974

約数の個数: 12

約数和(自身を含む): 35357280

約数和(自身を除く): 15177004

約数列:

[1, 2, 4, 1019, 2038, 4076, 4951, 9902, 19804, 5045069, 10090138, 20180276]

約数ペア:

[(1, 20180276), (2, 10090138), (4, 5045069), (1019, 19804), (2038, 9902), (4076, 4951)]