19489268

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 35214144

約数和(自身を除く): 15724876

約数列:

[1, 2, 4, 41, 82, 151, 164, 302, 604, 787, 1574, 3148, 6191, 12382, 24764, 32267, 64534, 118837, 129068, 237674, 475348, 4872317, 9744634, 19489268]

約数ペア:

[(1, 19489268), (2, 9744634), (4, 4872317), (41, 475348), (82, 237674), (151, 129068), (164, 118837), (302, 64534), (604, 32267), (787, 24764), (1574, 12382), (3148, 6191)]