19321620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7489}}^1$

素因数の和:7544

約数の個数: 48

約数和(自身を含む): 55366080

約数和(自身を除く): 36044460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7489, 14978, 22467, 29956, 37445, 44934, 74890, 89868, 112335, 149780, 224670, 322027, 449340, 644054, 966081, 1288108, 1610135, 1932162, 3220270, 3864324, 4830405, 6440540, 9660810, 19321620]

約数ペア:

[(1, 19321620), (2, 9660810), (3, 6440540), (4, 4830405), (5, 3864324), (6, 3220270), (10, 1932162), (12, 1610135), (15, 1288108), (20, 966081), (30, 644054), (43, 449340), (60, 322027), (86, 224670), (129, 149780), (172, 112335), (215, 89868), (258, 74890), (430, 44934), (516, 37445), (645, 29956), (860, 22467), (1290, 14978), (2580, 7489)]