18335920

素因数分解:

$2^4\times 5^1\times {\mathrm{229199}}^1$

素因数の和:229212

約数の個数: 20

約数和(自身を含む): 42631200

約数和(自身を除く): 24295280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229199, 458398, 916796, 1145995, 1833592, 2291990, 3667184, 4583980, 9167960, 18335920]

約数ペア:

[(1, 18335920), (2, 9167960), (4, 4583980), (5, 3667184), (8, 2291990), (10, 1833592), (16, 1145995), (20, 916796), (40, 458398), (80, 229199)]