18995655147

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{43411}}^1$

素因数の和:43799

約数の個数: 32

約数和(自身を含む): 29472927744

約数和(自身を除く): 10477272597

約数列:

[1, 3, 7, 21, 67, 201, 311, 469, 933, 1407, 2177, 6531, 20837, 43411, 62511, 130233, 145859, 303877, 437577, 911631, 2908537, 8725611, 13500821, 20359759, 40502463, 61079277, 94505747, 283517241, 904555007, 2713665021, 6331885049, 18995655147]

約数ペア:

[(1, 18995655147), (3, 6331885049), (7, 2713665021), (21, 904555007), (67, 283517241), (201, 94505747), (311, 61079277), (469, 40502463), (933, 20359759), (1407, 13500821), (2177, 8725611), (6531, 2908537), (20837, 911631), (43411, 437577), (62511, 303877), (130233, 145859)]