18808150249

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{388109}}^1$

素因数の和:388189

約数の個数: 24

約数和(自身を含む): 23361117120

約数和(自身を除く): 4552966871

約数列:

[1, 7, 23, 43, 49, 161, 301, 989, 1127, 2107, 6923, 48461, 388109, 2716763, 8926507, 16688687, 19017341, 62485549, 116820809, 383839801, 437398843, 817745663, 2686878607, 18808150249]

約数ペア:

[(1, 18808150249), (7, 2686878607), (23, 817745663), (43, 437398843), (49, 383839801), (161, 116820809), (301, 62485549), (989, 19017341), (1127, 16688687), (2107, 8926507), (6923, 2716763), (48461, 388109)]