19311291

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{569}}^1$

素因数の和:1000

約数の個数: 20

約数和(自身を含む): 28967400

約数和(自身を除く): 9656109

約数列:

[1, 3, 9, 27, 81, 419, 569, 1257, 1707, 3771, 5121, 11313, 15363, 33939, 46089, 238411, 715233, 2145699, 6437097, 19311291]

約数ペア:

[(1, 19311291), (3, 6437097), (9, 2145699), (27, 715233), (81, 238411), (419, 46089), (569, 33939), (1257, 15363), (1707, 11313), (3771, 5121)]