19117142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28031}}^1$

素因数の和:28075

約数の個数: 16

約数和(自身を含む): 32292864

約数和(自身を除く): 13175722

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28031, 56062, 308341, 616682, 868961, 1737922, 9558571, 19117142]

約数ペア:

[(1, 19117142), (2, 9558571), (11, 1737922), (22, 868961), (31, 616682), (62, 308341), (341, 56062), (682, 28031)]