19738419

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2986

約数の個数: 16

約数和(自身を含む): 27447552

約数和(自身を除く): 7709133

約数列:

[1, 3, 43, 53, 129, 159, 2279, 2887, 6837, 8661, 124141, 153011, 372423, 459033, 6579473, 19738419]

約数ペア:

[(1, 19738419), (3, 6579473), (43, 459033), (53, 372423), (129, 153011), (159, 124141), (2279, 8661), (2887, 6837)]