22878518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9887}}^1$

素因数の和:9991

約数の個数: 16

約数和(自身を含む): 37376640

約数和(自身を除く): 14498122

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9887, 19774, 128531, 257062, 879943, 1759886, 11439259, 22878518]

約数ペア:

[(1, 22878518), (2, 11439259), (13, 1759886), (26, 879943), (89, 257062), (178, 128531), (1157, 19774), (2314, 9887)]