16724180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 40340160

約数和(自身を除く): 23615980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4001, 4180, 8002, 16004, 20005, 40010, 44011, 76019, 80020, 88022, 152038, 176044, 220055, 304076, 380095, 440110, 760190, 836209, 880220, 1520380, 1672418, 3344836, 4181045, 8362090, 16724180]

約数ペア:

[(1, 16724180), (2, 8362090), (4, 4181045), (5, 3344836), (10, 1672418), (11, 1520380), (19, 880220), (20, 836209), (22, 760190), (38, 440110), (44, 380095), (55, 304076), (76, 220055), (95, 176044), (110, 152038), (190, 88022), (209, 80020), (220, 76019), (380, 44011), (418, 40010), (836, 20005), (1045, 16004), (2090, 8002), (4001, 4180)]