19772203

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2586

約数の個数: 16

約数和(自身を含む): 23242752

約数和(自身を除く): 3470549

約数列:

[1, 11, 23, 31, 253, 341, 713, 2521, 7843, 27731, 57983, 78151, 637813, 859661, 1797473, 19772203]

約数ペア:

[(1, 19772203), (11, 1797473), (23, 859661), (31, 637813), (253, 78151), (341, 57983), (713, 27731), (2521, 7843)]