18187972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1171}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 34850592

約数和(自身を除く): 16662620

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1171, 1412, 2342, 3883, 4684, 7766, 12881, 15532, 25762, 51524, 413363, 826726, 1653452, 4546993, 9093986, 18187972]

約数ペア:

[(1, 18187972), (2, 9093986), (4, 4546993), (11, 1653452), (22, 826726), (44, 413363), (353, 51524), (706, 25762), (1171, 15532), (1412, 12881), (2342, 7766), (3883, 4684)]