19319868

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1093}}^1$

素因数の和:1594

約数の個数: 36

約数和(自身を含む): 48980568

約数和(自身を除く): 29660700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1093, 1473, 1964, 2186, 2946, 3279, 4372, 4419, 5892, 6558, 8838, 9837, 13116, 17676, 19674, 39348, 536663, 1073326, 1609989, 2146652, 3219978, 4829967, 6439956, 9659934, 19319868]

約数ペア:

[(1, 19319868), (2, 9659934), (3, 6439956), (4, 4829967), (6, 3219978), (9, 2146652), (12, 1609989), (18, 1073326), (36, 536663), (491, 39348), (982, 19674), (1093, 17676), (1473, 13116), (1964, 9837), (2186, 8838), (2946, 6558), (3279, 5892), (4372, 4419)]