18988896723

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1\times {\mathrm{7013}}^1$

素因数の和:7811

約数の個数: 32

約数和(自身を含む): 27090873600

約数和(自身を除く): 8101976877

約数列:

[1, 3, 19, 57, 67, 201, 709, 1273, 2127, 3819, 7013, 13471, 21039, 40413, 47503, 133247, 142509, 399741, 469871, 902557, 1409613, 2707671, 4972217, 8927549, 14916651, 26782647, 94472123, 283416369, 333138539, 999415617, 6329632241, 18988896723]

約数ペア:

[(1, 18988896723), (3, 6329632241), (19, 999415617), (57, 333138539), (67, 283416369), (201, 94472123), (709, 26782647), (1273, 14916651), (2127, 8927549), (3819, 4972217), (7013, 2707671), (13471, 1409613), (21039, 902557), (40413, 469871), (47503, 399741), (133247, 142509)]