2518866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19991}}^1$

素因数の和:20006

約数の個数: 24

約数和(自身を含む): 6237504

約数和(自身を除く): 3718638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 19991, 39982, 59973, 119946, 139937, 179919, 279874, 359838, 419811, 839622, 1259433, 2518866]

約数ペア:

[(1, 2518866), (2, 1259433), (3, 839622), (6, 419811), (7, 359838), (9, 279874), (14, 179919), (18, 139937), (21, 119946), (42, 59973), (63, 39982), (126, 19991)]