19477406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{7723}}^1$

素因数の和:7835

約数の個数: 16

約数和(自身を含む): 31791984

約数和(自身を除く): 12314578

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 7723, 15446, 100399, 200798, 749131, 1498262, 9738703, 19477406]

約数ペア:

[(1, 19477406), (2, 9738703), (13, 1498262), (26, 749131), (97, 200798), (194, 100399), (1261, 15446), (2522, 7723)]