18887696

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4201}}^1$

素因数の和:4490

約数の個数: 20

約数和(自身を含む): 36733884

約数和(自身を除く): 17846188

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4201, 4496, 8402, 16804, 33608, 67216, 1180481, 2360962, 4721924, 9443848, 18887696]

約数ペア:

[(1, 18887696), (2, 9443848), (4, 4721924), (8, 2360962), (16, 1180481), (281, 67216), (562, 33608), (1124, 16804), (2248, 8402), (4201, 4496)]