19870542

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27303858

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 107, 114, 171, 181, 214, 321, 342, 362, 513, 543, 642, 963, 1026, 1086, 1629, 1926, 2033, 2889, 3258, 3439, 4066, 4887, 5778, 6099, 6878, 9774, 10317, 12198, 18297, 19367, 20634, 30951, 36594, 38734, 54891, 58101, 61902, 92853, 109782, 116202, 174303, 185706, 348606, 367973, 522909, 735946, 1045818, 1103919, 2207838, 3311757, 6623514, 9935271, 19870542]

約数ペア:

[(1, 19870542), (2, 9935271), (3, 6623514), (6, 3311757), (9, 2207838), (18, 1103919), (19, 1045818), (27, 735946), (38, 522909), (54, 367973), (57, 348606), (107, 185706), (114, 174303), (171, 116202), (181, 109782), (214, 92853), (321, 61902), (342, 58101), (362, 54891), (513, 38734), (543, 36594), (642, 30951), (963, 20634), (1026, 19367), (1086, 18297), (1629, 12198), (1926, 10317), (2033, 9774), (2889, 6878), (3258, 6099), (3439, 5778), (4066, 4887)]