19645234

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16279886

約数列:

[1, 2, 7, 14, 17, 34, 119, 197, 238, 394, 419, 838, 1379, 2758, 2933, 3349, 5866, 6698, 7123, 14246, 23443, 46886, 49861, 82543, 99722, 165086, 577801, 1155602, 1403231, 2806462, 9822617, 19645234]

約数ペア:

[(1, 19645234), (2, 9822617), (7, 2806462), (14, 1403231), (17, 1155602), (34, 577801), (119, 165086), (197, 99722), (238, 82543), (394, 49861), (419, 46886), (838, 23443), (1379, 14246), (2758, 7123), (2933, 6698), (3349, 5866)]