18789878162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{41681}}^1$

素因数の和:42386

約数の個数: 32

約数和(自身を含む): 31787693568

約数和(自身を除く): 12997815406

約数列:

[1, 2, 11, 22, 31, 62, 341, 661, 682, 1322, 7271, 14542, 20491, 40982, 41681, 83362, 225401, 450802, 458491, 916982, 1292111, 2584222, 14213221, 27551141, 28426442, 55102282, 303062551, 606125102, 854085371, 1708170742, 9394939081, 18789878162]

約数ペア:

[(1, 18789878162), (2, 9394939081), (11, 1708170742), (22, 854085371), (31, 606125102), (62, 303062551), (341, 55102282), (661, 28426442), (682, 27551141), (1322, 14213221), (7271, 2584222), (14542, 1292111), (20491, 916982), (40982, 458491), (41681, 450802), (83362, 225401)]