18455427

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 27368640

約数和(自身を除く): 8913213

約数列:

[1, 3, 9, 79, 101, 237, 257, 303, 711, 771, 909, 2313, 7979, 20303, 23937, 25957, 60909, 71811, 77871, 182727, 233613, 2050603, 6151809, 18455427]

約数ペア:

[(1, 18455427), (3, 6151809), (9, 2050603), (79, 233613), (101, 182727), (237, 77871), (257, 71811), (303, 60909), (711, 25957), (771, 23937), (909, 20303), (2313, 7979)]