18388230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{1787}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 51494400

約数和(自身を除く): 33106170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 1787, 2058, 3430, 3574, 5145, 5361, 8935, 10290, 10722, 12509, 17870, 25018, 26805, 37527, 53610, 62545, 75054, 87563, 125090, 175126, 187635, 262689, 375270, 437815, 525378, 612941, 875630, 1225882, 1313445, 1838823, 2626890, 3064705, 3677646, 6129410, 9194115, 18388230]

約数ペア:

[(1, 18388230), (2, 9194115), (3, 6129410), (5, 3677646), (6, 3064705), (7, 2626890), (10, 1838823), (14, 1313445), (15, 1225882), (21, 875630), (30, 612941), (35, 525378), (42, 437815), (49, 375270), (70, 262689), (98, 187635), (105, 175126), (147, 125090), (210, 87563), (245, 75054), (294, 62545), (343, 53610), (490, 37527), (686, 26805), (735, 25018), (1029, 17870), (1470, 12509), (1715, 10722), (1787, 10290), (2058, 8935), (3430, 5361), (3574, 5145)]