18196740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2409

約数の個数: 72

約数和(自身を含む): 56504448

約数和(自身を除く): 38307708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2351, 2580, 3870, 4702, 7053, 7740, 9404, 11755, 14106, 21159, 23510, 28212, 35265, 42318, 47020, 70530, 84636, 101093, 105795, 141060, 202186, 211590, 303279, 404372, 423180, 505465, 606558, 909837, 1010930, 1213116, 1516395, 1819674, 2021860, 3032790, 3639348, 4549185, 6065580, 9098370, 18196740]

約数ペア:

[(1, 18196740), (2, 9098370), (3, 6065580), (4, 4549185), (5, 3639348), (6, 3032790), (9, 2021860), (10, 1819674), (12, 1516395), (15, 1213116), (18, 1010930), (20, 909837), (30, 606558), (36, 505465), (43, 423180), (45, 404372), (60, 303279), (86, 211590), (90, 202186), (129, 141060), (172, 105795), (180, 101093), (215, 84636), (258, 70530), (387, 47020), (430, 42318), (516, 35265), (645, 28212), (774, 23510), (860, 21159), (1290, 14106), (1548, 11755), (1935, 9404), (2351, 7740), (2580, 7053), (3870, 4702)]