1819980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{10111}}^1$

素因数の和:10126

約数の個数: 36

約数和(自身を含む): 5521152

約数和(自身を除く): 3701172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 10111, 20222, 30333, 40444, 50555, 60666, 90999, 101110, 121332, 151665, 181998, 202220, 303330, 363996, 454995, 606660, 909990, 1819980]

約数ペア:

[(1, 1819980), (2, 909990), (3, 606660), (4, 454995), (5, 363996), (6, 303330), (9, 202220), (10, 181998), (12, 151665), (15, 121332), (18, 101110), (20, 90999), (30, 60666), (36, 50555), (45, 40444), (60, 30333), (90, 20222), (180, 10111)]