18979842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{451901}}^1$

素因数の和:451913

約数の個数: 16

約数和(自身を含む): 43382592

約数和(自身を除く): 24402750

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 451901, 903802, 1355703, 2711406, 3163307, 6326614, 9489921, 18979842]

約数ペア:

[(1, 18979842), (2, 9489921), (3, 6326614), (6, 3163307), (7, 2711406), (14, 1355703), (21, 903802), (42, 451901)]