18391260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13327}}^1$

素因数の和:13362

約数の個数: 48

約数和(自身を含む): 53738496

約数和(自身を除く): 35347236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13327, 26654, 39981, 53308, 66635, 79962, 133270, 159924, 199905, 266540, 306521, 399810, 613042, 799620, 919563, 1226084, 1532605, 1839126, 3065210, 3678252, 4597815, 6130420, 9195630, 18391260]

約数ペア:

[(1, 18391260), (2, 9195630), (3, 6130420), (4, 4597815), (5, 3678252), (6, 3065210), (10, 1839126), (12, 1532605), (15, 1226084), (20, 919563), (23, 799620), (30, 613042), (46, 399810), (60, 306521), (69, 266540), (92, 199905), (115, 159924), (138, 133270), (230, 79962), (276, 66635), (345, 53308), (460, 39981), (690, 26654), (1380, 13327)]