17889990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{863}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 43047936

約数和(自身を除く): 25157946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 691, 863, 1382, 1726, 2073, 2589, 3455, 4146, 4315, 5178, 6910, 8630, 10365, 12945, 20730, 25890, 596333, 1192666, 1788999, 2981665, 3577998, 5963330, 8944995, 17889990]

約数ペア:

[(1, 17889990), (2, 8944995), (3, 5963330), (5, 3577998), (6, 2981665), (10, 1788999), (15, 1192666), (30, 596333), (691, 25890), (863, 20730), (1382, 12945), (1726, 10365), (2073, 8630), (2589, 6910), (3455, 5178), (4146, 4315)]