19655810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 16922494

約数列:

[1, 2, 5, 10, 41, 82, 191, 205, 251, 382, 410, 502, 955, 1255, 1910, 2510, 7831, 10291, 15662, 20582, 39155, 47941, 51455, 78310, 95882, 102910, 239705, 479410, 1965581, 3931162, 9827905, 19655810]

約数ペア:

[(1, 19655810), (2, 9827905), (5, 3931162), (10, 1965581), (41, 479410), (82, 239705), (191, 102910), (205, 95882), (251, 78310), (382, 51455), (410, 47941), (502, 39155), (955, 20582), (1255, 15662), (1910, 10291), (2510, 7831)]