19871608

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{46867}}^1$

素因数の和:46926

約数の個数: 16

約数和(自身を含む): 37963080

約数和(自身を除く): 18091472

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 46867, 93734, 187468, 374936, 2483951, 4967902, 9935804, 19871608]

約数ペア:

[(1, 19871608), (2, 9935804), (4, 4967902), (8, 2483951), (53, 374936), (106, 187468), (212, 93734), (424, 46867)]