23111908

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19993}}^1$

素因数の和:20031

約数の個数: 18

約数和(自身を含む): 42967106

約数和(自身を除く): 19855198

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 19993, 39986, 79972, 339881, 679762, 1359524, 5777977, 11555954, 23111908]

約数ペア:

[(1, 23111908), (2, 11555954), (4, 5777977), (17, 1359524), (34, 679762), (68, 339881), (289, 79972), (578, 39986), (1156, 19993)]