18261236

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15907}}^1$

素因数の和:15959

約数の個数: 24

約数和(自身を含む): 37415616

約数和(自身を除く): 19154380

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 15907, 31814, 63628, 111349, 222698, 445396, 652187, 1304374, 2608748, 4565309, 9130618, 18261236]

約数ペア:

[(1, 18261236), (2, 9130618), (4, 4565309), (7, 2608748), (14, 1304374), (28, 652187), (41, 445396), (82, 222698), (164, 111349), (287, 63628), (574, 31814), (1148, 15907)]