18985497601

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1\times {\mathrm{22153}}^1$

素因数の和:22992

約数の個数: 16

約数和(自身を含む): 21846325248

約数和(自身を除く): 2860827647

約数列:

[1, 7, 191, 641, 1337, 4487, 22153, 122431, 155071, 857017, 4231223, 14200073, 29618561, 99400511, 2712213943, 18985497601]

約数ペア:

[(1, 18985497601), (7, 2712213943), (191, 99400511), (641, 29618561), (1337, 14200073), (4487, 4231223), (22153, 857017), (122431, 155071)]