18010993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 25482240

約数和(自身を除く): 7471247

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 947, 1001, 1463, 1729, 2717, 6629, 10417, 12311, 17993, 19019, 72919, 86177, 125951, 135421, 197923, 233909, 947947, 1385461, 1637363, 2572999, 18010993]

約数ペア:

[(1, 18010993), (7, 2572999), (11, 1637363), (13, 1385461), (19, 947947), (77, 233909), (91, 197923), (133, 135421), (143, 125951), (209, 86177), (247, 72919), (947, 19019), (1001, 17993), (1463, 12311), (1729, 10417), (2717, 6629)]