18730020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{641}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 52633728

約数和(自身を除く): 33903708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 641, 974, 1282, 1461, 1923, 1948, 2435, 2564, 2922, 3205, 3846, 4870, 5844, 6410, 7305, 7692, 9615, 9740, 12820, 14610, 19230, 29220, 38460, 312167, 624334, 936501, 1248668, 1560835, 1873002, 3121670, 3746004, 4682505, 6243340, 9365010, 18730020]

約数ペア:

[(1, 18730020), (2, 9365010), (3, 6243340), (4, 4682505), (5, 3746004), (6, 3121670), (10, 1873002), (12, 1560835), (15, 1248668), (20, 936501), (30, 624334), (60, 312167), (487, 38460), (641, 29220), (974, 19230), (1282, 14610), (1461, 12820), (1923, 9740), (1948, 9615), (2435, 7692), (2564, 7305), (2922, 6410), (3205, 5844), (3846, 4870)]