18761601

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 25694208

約数和(自身を除く): 6932607

約数列:

[1, 3, 47, 141, 271, 491, 813, 1473, 12737, 23077, 38211, 69231, 133061, 399183, 6253867, 18761601]

約数ペア:

[(1, 18761601), (3, 6253867), (47, 399183), (141, 133061), (271, 69231), (491, 38211), (813, 23077), (1473, 12737)]