18990804568

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{23503471}}^1$

素因数の和:23503578

約数の個数: 16

約数和(自身を含む): 35960312160

約数和(自身を除く): 16969507592

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 23503471, 47006942, 94013884, 188027768, 2373850571, 4747701142, 9495402284, 18990804568]

約数ペア:

[(1, 18990804568), (2, 9495402284), (4, 4747701142), (8, 2373850571), (101, 188027768), (202, 94013884), (404, 47006942), (808, 23503471)]