199921808

素因数分解:

$2^4\times {\mathrm{1213}}^1\times {\mathrm{10301}}^1$

素因数の和:11522

約数の個数: 20

約数和(自身を含む): 387705468

約数和(自身を除く): 187783660

約数列:

[1, 2, 4, 8, 16, 1213, 2426, 4852, 9704, 10301, 19408, 20602, 41204, 82408, 164816, 12495113, 24990226, 49980452, 99960904, 199921808]

約数ペア:

[(1, 199921808), (2, 99960904), (4, 49980452), (8, 24990226), (16, 12495113), (1213, 164816), (2426, 82408), (4852, 41204), (9704, 20602), (10301, 19408)]