17802994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{21871}}^1$

素因数の和:21921

約数の個数: 16

約数和(自身を含む): 29920896

約数和(自身を除く): 12117902

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 21871, 43742, 240581, 481162, 809227, 1618454, 8901497, 17802994]

約数ペア:

[(1, 17802994), (2, 8901497), (11, 1618454), (22, 809227), (37, 481162), (74, 240581), (407, 43742), (814, 21871)]