18590138

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 14431942

約数列:

[1, 2, 7, 14, 41, 82, 139, 233, 278, 287, 466, 574, 973, 1631, 1946, 3262, 5699, 9553, 11398, 19106, 32387, 39893, 64774, 66871, 79786, 133742, 226709, 453418, 1327867, 2655734, 9295069, 18590138]

約数ペア:

[(1, 18590138), (2, 9295069), (7, 2655734), (14, 1327867), (41, 453418), (82, 226709), (139, 133742), (233, 79786), (278, 66871), (287, 64774), (466, 39893), (574, 32387), (973, 19106), (1631, 11398), (1946, 9553), (3262, 5699)]