9981118

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 18201600

約数和(自身を除く): 8220482

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 239, 266, 314, 478, 1099, 1673, 2198, 2983, 3346, 4541, 5966, 9082, 20881, 31787, 37523, 41762, 63574, 75046, 262661, 525322, 712937, 1425874, 4990559, 9981118]

約数ペア:

[(1, 9981118), (2, 4990559), (7, 1425874), (14, 712937), (19, 525322), (38, 262661), (133, 75046), (157, 63574), (239, 41762), (266, 37523), (314, 31787), (478, 20881), (1099, 9082), (1673, 5966), (2198, 4541), (2983, 3346)]