18759118

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 15455282

約数列:

[1, 2, 7, 14, 19, 38, 109, 133, 218, 266, 647, 763, 1294, 1526, 2071, 4142, 4529, 9058, 12293, 14497, 24586, 28994, 70523, 86051, 141046, 172102, 493661, 987322, 1339937, 2679874, 9379559, 18759118]

約数ペア:

[(1, 18759118), (2, 9379559), (7, 2679874), (14, 1339937), (19, 987322), (38, 493661), (109, 172102), (133, 141046), (218, 86051), (266, 70523), (647, 28994), (763, 24586), (1294, 14497), (1526, 12293), (2071, 9058), (4142, 4529)]