19319091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3877}}^1$

素因数の和:4042

約数の個数: 16

約数和(自身を含む): 28293888

約数和(自身を除く): 8974797

約数列:

[1, 3, 11, 33, 151, 453, 1661, 3877, 4983, 11631, 42647, 127941, 585427, 1756281, 6439697, 19319091]

約数ペア:

[(1, 19319091), (3, 6439697), (11, 1756281), (33, 585427), (151, 127941), (453, 42647), (1661, 11631), (3877, 4983)]