18142670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19937}}^1$

素因数の和:19964

約数の個数: 32

約数和(自身を含む): 40195008

約数和(自身を除く): 22052338

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 19937, 39874, 99685, 139559, 199370, 259181, 279118, 518362, 697795, 1295905, 1395590, 1814267, 2591810, 3628534, 9071335, 18142670]

約数ペア:

[(1, 18142670), (2, 9071335), (5, 3628534), (7, 2591810), (10, 1814267), (13, 1395590), (14, 1295905), (26, 697795), (35, 518362), (65, 279118), (70, 259181), (91, 199370), (130, 139559), (182, 99685), (455, 39874), (910, 19937)]