18699916

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 33529104

約数和(自身を除く): 14829188

約数列:

[1, 2, 4, 61, 122, 173, 244, 346, 443, 692, 886, 1772, 10553, 21106, 27023, 42212, 54046, 76639, 108092, 153278, 306556, 4674979, 9349958, 18699916]

約数ペア:

[(1, 18699916), (2, 9349958), (4, 4674979), (61, 306556), (122, 153278), (173, 108092), (244, 76639), (346, 54046), (443, 42212), (692, 27023), (886, 21106), (1772, 10553)]