30640218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19717}}^1$

素因数の和:19766

約数の個数: 32

約数和(自身を含む): 71931264

約数和(自身を除く): 41291046

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 19717, 39434, 59151, 118302, 138019, 276038, 414057, 729529, 828114, 1459058, 2188587, 4377174, 5106703, 10213406, 15320109, 30640218]

約数ペア:

[(1, 30640218), (2, 15320109), (3, 10213406), (6, 5106703), (7, 4377174), (14, 2188587), (21, 1459058), (37, 828114), (42, 729529), (74, 414057), (111, 276038), (222, 138019), (259, 118302), (518, 59151), (777, 39434), (1554, 19717)]