18740220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{571}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 52660608

約数和(自身を除く): 33920388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 571, 1094, 1142, 1641, 1713, 2188, 2284, 2735, 2855, 3282, 3426, 5470, 5710, 6564, 6852, 8205, 8565, 10940, 11420, 16410, 17130, 32820, 34260, 312337, 624674, 937011, 1249348, 1561685, 1874022, 3123370, 3748044, 4685055, 6246740, 9370110, 18740220]

約数ペア:

[(1, 18740220), (2, 9370110), (3, 6246740), (4, 4685055), (5, 3748044), (6, 3123370), (10, 1874022), (12, 1561685), (15, 1249348), (20, 937011), (30, 624674), (60, 312337), (547, 34260), (571, 32820), (1094, 17130), (1142, 16410), (1641, 11420), (1713, 10940), (2188, 8565), (2284, 8205), (2735, 6852), (2855, 6564), (3282, 5710), (3426, 5470)]