19951353

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14489}}^1$

素因数の和:14518

約数の個数: 20

約数和(自身を含む): 31559220

約数和(自身を除く): 11607867

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14489, 43467, 130401, 246313, 391203, 738939, 1173609, 2216817, 6650451, 19951353]

約数ペア:

[(1, 19951353), (3, 6650451), (9, 2216817), (17, 1173609), (27, 738939), (51, 391203), (81, 246313), (153, 130401), (459, 43467), (1377, 14489)]