1818908104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{787}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 3741171840

約数和(自身を除く): 1922263736

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 313, 568, 626, 787, 923, 1252, 1574, 1846, 2504, 3148, 3692, 4069, 6296, 7384, 8138, 10231, 16276, 20462, 22223, 32552, 40924, 44446, 55877, 81848, 88892, 111754, 177784, 223508, 246331, 288899, 447016, 492662, 577798, 726401, 985324, 1155596, 1452802, 1970648, 2311192, 2905604, 3202303, 5811208, 6404606, 12809212, 17489501, 25618424, 34979002, 69958004, 139916008, 227363513, 454727026, 909454052, 1818908104]

約数ペア:

[(1, 1818908104), (2, 909454052), (4, 454727026), (8, 227363513), (13, 139916008), (26, 69958004), (52, 34979002), (71, 25618424), (104, 17489501), (142, 12809212), (284, 6404606), (313, 5811208), (568, 3202303), (626, 2905604), (787, 2311192), (923, 1970648), (1252, 1452802), (1574, 1155596), (1846, 985324), (2504, 726401), (3148, 577798), (3692, 492662), (4069, 447016), (6296, 288899), (7384, 246331), (8138, 223508), (10231, 177784), (16276, 111754), (20462, 88892), (22223, 81848), (32552, 55877), (40924, 44446)]