18165685

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 22308336

約数和(自身を除く): 4142651

約数列:

[1, 5, 73, 157, 317, 365, 785, 1585, 11461, 23141, 49769, 57305, 115705, 248845, 3633137, 18165685]

約数ペア:

[(1, 18165685), (5, 3633137), (73, 248845), (157, 115705), (317, 57305), (365, 49769), (785, 23141), (1585, 11461)]