19681199287

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{31721}}^1$

素因数の和:32118

約数の個数: 16

約数和(自身を含む): 20635034112

約数和(自身を除く): 953834825

約数列:

[1, 43, 47, 307, 2021, 13201, 14429, 31721, 620447, 1364003, 1490887, 9738347, 64108141, 418748921, 457702309, 19681199287]

約数ペア:

[(1, 19681199287), (43, 457702309), (47, 418748921), (307, 64108141), (2021, 9738347), (13201, 1490887), (14429, 1364003), (31721, 620447)]