18320907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17909}}^1$

素因数の和:17954

約数の個数: 16

約数和(自身を含む): 27509760

約数和(自身を除く): 9188853

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 17909, 53727, 196999, 555179, 590997, 1665537, 6106969, 18320907]

約数ペア:

[(1, 18320907), (3, 6106969), (11, 1665537), (31, 590997), (33, 555179), (93, 196999), (341, 53727), (1023, 17909)]