1991732418

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{447983}}^1$

素因数の和:448023

約数の個数: 48

約数和(自身を含む): 4891985280

約数和(自身を除く): 2900252862

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 447983, 895966, 1343949, 2687898, 4031847, 5823779, 8063694, 8511677, 11647558, 17023354, 17471337, 25535031, 34942674, 51070062, 52414011, 76605093, 104828022, 110651801, 153210186, 221303602, 331955403, 663910806, 995866209, 1991732418]

約数ペア:

[(1, 1991732418), (2, 995866209), (3, 663910806), (6, 331955403), (9, 221303602), (13, 153210186), (18, 110651801), (19, 104828022), (26, 76605093), (38, 52414011), (39, 51070062), (57, 34942674), (78, 25535031), (114, 17471337), (117, 17023354), (171, 11647558), (234, 8511677), (247, 8063694), (342, 5823779), (494, 4031847), (741, 2687898), (1482, 1343949), (2223, 895966), (4446, 447983)]