18487703

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 21949200

約数和(自身を除く): 3461497

約数列:

[1, 13, 19, 29, 89, 247, 377, 551, 841, 1157, 1691, 2581, 7163, 10933, 15979, 21983, 33553, 49039, 74849, 207727, 637507, 973037, 1422131, 18487703]

約数ペア:

[(1, 18487703), (13, 1422131), (19, 973037), (29, 637507), (89, 207727), (247, 74849), (377, 49039), (551, 33553), (841, 21983), (1157, 15979), (1691, 10933), (2581, 7163)]