18160947

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 32827392

約数和(自身を除く): 14666445

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 547, 651, 1071, 1581, 1641, 1953, 3689, 3829, 4743, 4923, 9299, 11067, 11487, 16957, 27897, 33201, 34461, 50871, 65093, 83691, 118699, 152613, 195279, 288269, 356097, 585837, 864807, 1068291, 2017883, 2594421, 6053649, 18160947]

約数ペア:

[(1, 18160947), (3, 6053649), (7, 2594421), (9, 2017883), (17, 1068291), (21, 864807), (31, 585837), (51, 356097), (63, 288269), (93, 195279), (119, 152613), (153, 118699), (217, 83691), (279, 65093), (357, 50871), (527, 34461), (547, 33201), (651, 27897), (1071, 16957), (1581, 11487), (1641, 11067), (1953, 9299), (3689, 4923), (3829, 4743)]