16991820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{94399}}^1$

素因数の和:94414

約数の個数: 36

約数和(自身を含む): 51542400

約数和(自身を除く): 34550580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 94399, 188798, 283197, 377596, 471995, 566394, 849591, 943990, 1132788, 1415985, 1699182, 1887980, 2831970, 3398364, 4247955, 5663940, 8495910, 16991820]

約数ペア:

[(1, 16991820), (2, 8495910), (3, 5663940), (4, 4247955), (5, 3398364), (6, 2831970), (9, 1887980), (10, 1699182), (12, 1415985), (15, 1132788), (18, 943990), (20, 849591), (30, 566394), (36, 471995), (45, 377596), (60, 283197), (90, 188798), (180, 94399)]