2018909809

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{15601}}^1$

素因数の和:15773

約数の個数: 24

約数和(自身を含む): 2490079200

約数和(自身を除く): 471169391

約数列:

[1, 7, 19, 49, 133, 139, 931, 973, 2641, 6811, 15601, 18487, 109207, 129409, 296419, 764449, 2074933, 2168539, 14524531, 15179773, 41202241, 106258411, 288415687, 2018909809]

約数ペア:

[(1, 2018909809), (7, 288415687), (19, 106258411), (49, 41202241), (133, 15179773), (139, 14524531), (931, 2168539), (973, 2074933), (2641, 764449), (6811, 296419), (15601, 129409), (18487, 109207)]