18395989

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 20445696

約数和(自身を除く): 2049707

約数列:

[1, 17, 31, 67, 521, 527, 1139, 2077, 8857, 16151, 34907, 35309, 274567, 593419, 1082117, 18395989]

約数ペア:

[(1, 18395989), (17, 1082117), (31, 593419), (67, 274567), (521, 35309), (527, 34907), (1139, 16151), (2077, 8857)]