18988401

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 6751887

約数列:

[1, 3, 151, 167, 251, 453, 501, 753, 25217, 37901, 41917, 75651, 113703, 125751, 6329467, 18988401]

約数ペア:

[(1, 18988401), (3, 6329467), (151, 125751), (167, 113703), (251, 75651), (453, 41917), (501, 37901), (753, 25217)]