18387801

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{367}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 28129920

約数和(自身を除く): 9742119

約数列:

[1, 3, 9, 19, 57, 171, 293, 367, 879, 1101, 2637, 3303, 5567, 6973, 16701, 20919, 50103, 62757, 107531, 322593, 967779, 2043089, 6129267, 18387801]

約数ペア:

[(1, 18387801), (3, 6129267), (9, 2043089), (19, 967779), (57, 322593), (171, 107531), (293, 62757), (367, 50103), (879, 20919), (1101, 16701), (2637, 6973), (3303, 5567)]