18691574109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1\times {\mathrm{7069}}^1$

素因数の和:7685

約数の個数: 32

約数和(自身を含む): 27080928000

約数和(自身を除く): 8389353891

約数列:

[1, 3, 13, 39, 151, 449, 453, 1347, 1963, 5837, 5889, 7069, 17511, 21207, 67799, 91897, 203397, 275691, 881387, 1067419, 2644161, 3173981, 3202257, 9521943, 13876447, 41261753, 41629341, 123785259, 479271131, 1437813393, 6230524703, 18691574109]

約数ペア:

[(1, 18691574109), (3, 6230524703), (13, 1437813393), (39, 479271131), (151, 123785259), (449, 41629341), (453, 41261753), (1347, 13876447), (1963, 9521943), (5837, 3202257), (5889, 3173981), (7069, 2644161), (17511, 1067419), (21207, 881387), (67799, 275691), (91897, 203397)]