19487956

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 35138880

約数和(自身を除く): 15650924

約数列:

[1, 2, 4, 41, 82, 164, 331, 359, 662, 718, 1324, 1436, 13571, 14719, 27142, 29438, 54284, 58876, 118829, 237658, 475316, 4871989, 9743978, 19487956]

約数ペア:

[(1, 19487956), (2, 9743978), (4, 4871989), (41, 475316), (82, 237658), (164, 118829), (331, 58876), (359, 54284), (662, 29438), (718, 27142), (1324, 14719), (1436, 13571)]