18085868

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 32387040

約数和(自身を除く): 14301172

約数列:

[1, 2, 4, 89, 101, 178, 202, 356, 404, 503, 1006, 2012, 8989, 17978, 35956, 44767, 50803, 89534, 101606, 179068, 203212, 4521467, 9042934, 18085868]

約数ペア:

[(1, 18085868), (2, 9042934), (4, 4521467), (89, 203212), (101, 179068), (178, 101606), (202, 89534), (356, 50803), (404, 44767), (503, 35956), (1006, 17978), (2012, 8989)]