18983901027

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{388481}}^1$

素因数の和:388683

約数の個数: 32

約数和(自身を含む): 31327188480

約数和(自身を除く): 12343287453

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 537, 1253, 2327, 3759, 6981, 16289, 48867, 388481, 1165443, 2719367, 5050253, 8158101, 15150759, 35351771, 69538099, 106055313, 208614297, 486766693, 903995287, 1460300079, 2711985861, 6327967009, 18983901027]

約数ペア:

[(1, 18983901027), (3, 6327967009), (7, 2711985861), (13, 1460300079), (21, 903995287), (39, 486766693), (91, 208614297), (179, 106055313), (273, 69538099), (537, 35351771), (1253, 15150759), (2327, 8158101), (3759, 5050253), (6981, 2719367), (16289, 1165443), (48867, 388481)]