19319517

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 33945600

約数和(自身を除く): 14626083

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 161, 199, 201, 207, 469, 483, 597, 603, 1393, 1407, 1449, 1541, 1791, 4179, 4221, 4577, 4623, 10787, 12537, 13333, 13731, 13869, 32039, 32361, 39999, 41193, 93331, 96117, 97083, 119997, 279993, 288351, 306659, 839979, 919977, 2146613, 2759931, 6439839, 19319517]

約数ペア:

[(1, 19319517), (3, 6439839), (7, 2759931), (9, 2146613), (21, 919977), (23, 839979), (63, 306659), (67, 288351), (69, 279993), (161, 119997), (199, 97083), (201, 96117), (207, 93331), (469, 41193), (483, 39999), (597, 32361), (603, 32039), (1393, 13869), (1407, 13731), (1449, 13333), (1541, 12537), (1791, 10787), (4179, 4623), (4221, 4577)]