18499916

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 33005280

約数和(自身を除く): 14505364

約数列:

[1, 2, 4, 109, 151, 218, 281, 302, 436, 562, 604, 1124, 16459, 30629, 32918, 42431, 61258, 65836, 84862, 122516, 169724, 4624979, 9249958, 18499916]

約数ペア:

[(1, 18499916), (2, 9249958), (4, 4624979), (109, 169724), (151, 122516), (218, 84862), (281, 65836), (302, 61258), (436, 42431), (562, 32918), (604, 30629), (1124, 16459)]