18484336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88867}}^1$

素因数の和:88888

約数の個数: 20

約数和(自身を含む): 38568712

約数和(自身を除く): 20084376

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88867, 177734, 355468, 710936, 1155271, 1421872, 2310542, 4621084, 9242168, 18484336]

約数ペア:

[(1, 18484336), (2, 9242168), (4, 4621084), (8, 2310542), (13, 1421872), (16, 1155271), (26, 710936), (52, 355468), (104, 177734), (208, 88867)]