18931647

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19181}}^1$

素因数の和:19238

約数の個数: 16

約数和(自身を含む): 29463552

約数和(自身を除く): 10531905

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19181, 57543, 134267, 402801, 901507, 2704521, 6310549, 18931647]

約数ペア:

[(1, 18931647), (3, 6310549), (7, 2704521), (21, 901507), (47, 402801), (141, 134267), (329, 57543), (987, 19181)]