18587998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 33126912

約数和(自身を除く): 14538914

約数列:

[1, 2, 11, 13, 22, 26, 103, 143, 206, 286, 631, 1133, 1262, 1339, 2266, 2678, 6941, 8203, 13882, 14729, 16406, 29458, 64993, 90233, 129986, 180466, 714923, 844909, 1429846, 1689818, 9293999, 18587998]

約数ペア:

[(1, 18587998), (2, 9293999), (11, 1689818), (13, 1429846), (22, 844909), (26, 714923), (103, 180466), (143, 129986), (206, 90233), (286, 64993), (631, 29458), (1133, 16406), (1262, 14729), (1339, 13882), (2266, 8203), (2678, 6941)]