19746974

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1644

約数の個数: 24

約数和(自身を含む): 32961960

約数和(自身を除く): 13214986

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 962, 1579, 3158, 6253, 12506, 20527, 41054, 58423, 116846, 266851, 533702, 759499, 1518998, 9873487, 19746974]

約数ペア:

[(1, 19746974), (2, 9873487), (13, 1518998), (26, 759499), (37, 533702), (74, 266851), (169, 116846), (338, 58423), (481, 41054), (962, 20527), (1579, 12506), (3158, 6253)]