18678604

素因数分解:

$2^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:782

約数の個数: 36

約数和(自身を含む): 38329536

約数和(自身を除く): 19650932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 314, 607, 628, 1099, 1214, 2198, 2428, 4249, 4396, 7693, 8498, 15386, 16996, 29743, 30772, 59486, 95299, 118972, 190598, 381196, 667093, 1334186, 2668372, 4669651, 9339302, 18678604]

約数ペア:

[(1, 18678604), (2, 9339302), (4, 4669651), (7, 2668372), (14, 1334186), (28, 667093), (49, 381196), (98, 190598), (157, 118972), (196, 95299), (314, 59486), (607, 30772), (628, 29743), (1099, 16996), (1214, 15386), (2198, 8498), (2428, 7693), (4249, 4396)]