18685148

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 33809664

約数和(自身を除く): 15124516

約数列:

[1, 2, 4, 37, 74, 148, 191, 382, 661, 764, 1322, 2644, 7067, 14134, 24457, 28268, 48914, 97828, 126251, 252502, 505004, 4671287, 9342574, 18685148]

約数ペア:

[(1, 18685148), (2, 9342574), (4, 4671287), (37, 505004), (74, 252502), (148, 126251), (191, 97828), (382, 48914), (661, 28268), (764, 24457), (1322, 14134), (2644, 7067)]