18971458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37493}}^1$

素因数の和:37529

約数の個数: 16

約数和(自身を含む): 32394816

約数和(自身を除く): 13423358

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37493, 74986, 412423, 824846, 862339, 1724678, 9485729, 18971458]

約数ペア:

[(1, 18971458), (2, 9485729), (11, 1724678), (22, 862339), (23, 824846), (46, 412423), (253, 74986), (506, 37493)]