19870930

素因数分解:

$2^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3673}}^1$

素因数の和:4221

約数の個数: 16

約数和(自身を含む): 35843544

約数和(自身を除く): 15972614

約数列:

[1, 2, 5, 10, 541, 1082, 2705, 3673, 5410, 7346, 18365, 36730, 1987093, 3974186, 9935465, 19870930]

約数ペア:

[(1, 19870930), (2, 9935465), (5, 3974186), (10, 1987093), (541, 36730), (1082, 18365), (2705, 7346), (3673, 5410)]