20182563128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1\times {\mathrm{12973}}^1$

素因数の和:15136

約数の個数: 64

約数和(自身を含む): 46600532160

約数和(自身を除く): 26417969032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 2137, 4274, 8548, 12973, 14959, 17096, 25946, 27781, 29918, 51892, 55562, 59836, 90811, 103784, 111124, 119672, 168649, 181622, 194467, 222248, 337298, 363244, 388934, 674596, 726488, 777868, 1180543, 1349192, 1555736, 2361086, 4722172, 9444344, 27723301, 55446602, 110893204, 194063107, 221786408, 360402913, 388126214, 720805826, 776252428, 1441611652, 1552504856, 2522820391, 2883223304, 5045640782, 10091281564, 20182563128]

約数ペア:

[(1, 20182563128), (2, 10091281564), (4, 5045640782), (7, 2883223304), (8, 2522820391), (13, 1552504856), (14, 1441611652), (26, 776252428), (28, 720805826), (52, 388126214), (56, 360402913), (91, 221786408), (104, 194063107), (182, 110893204), (364, 55446602), (728, 27723301), (2137, 9444344), (4274, 4722172), (8548, 2361086), (12973, 1555736), (14959, 1349192), (17096, 1180543), (25946, 777868), (27781, 726488), (29918, 674596), (51892, 388934), (55562, 363244), (59836, 337298), (90811, 222248), (103784, 194467), (111124, 181622), (119672, 168649)]