18661869

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 28708992

約数和(自身を除く): 10047123

約数列:

[1, 3, 9, 17, 51, 153, 283, 431, 849, 1293, 2547, 3879, 4811, 7327, 14433, 21981, 43299, 65943, 121973, 365919, 1097757, 2073541, 6220623, 18661869]

約数ペア:

[(1, 18661869), (3, 6220623), (9, 2073541), (17, 1097757), (51, 365919), (153, 121973), (283, 65943), (431, 43299), (849, 21981), (1293, 14433), (2547, 7327), (3879, 4811)]