19626748

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2153}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 35825328

約数和(自身を除く): 16198580

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2153, 2279, 4306, 4558, 8612, 9116, 92579, 114109, 185158, 228218, 370316, 456436, 4906687, 9813374, 19626748]

約数ペア:

[(1, 19626748), (2, 9813374), (4, 4906687), (43, 456436), (53, 370316), (86, 228218), (106, 185158), (172, 114109), (212, 92579), (2153, 9116), (2279, 8612), (4306, 4558)]