18841856176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{115987}}^1$

素因数の和:116090

約数の個数: 80

約数和(自身を含む): 43492716288

約数和(自身を除く): 24650860112

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 176, 208, 284, 286, 568, 572, 781, 923, 1136, 1144, 1562, 1846, 2288, 3124, 3692, 6248, 7384, 10153, 12496, 14768, 20306, 40612, 81224, 115987, 162448, 231974, 463948, 927896, 1275857, 1507831, 1855792, 2551714, 3015662, 5103428, 6031324, 8235077, 10206856, 12062648, 16470154, 16586141, 20413712, 24125296, 32940308, 33172282, 65880616, 66344564, 90585847, 107056001, 131761232, 132689128, 181171694, 214112002, 265378256, 362343388, 428224004, 724686776, 856448008, 1177616011, 1449373552, 1712896016, 2355232022, 4710464044, 9420928088, 18841856176]

約数ペア:

[(1, 18841856176), (2, 9420928088), (4, 4710464044), (8, 2355232022), (11, 1712896016), (13, 1449373552), (16, 1177616011), (22, 856448008), (26, 724686776), (44, 428224004), (52, 362343388), (71, 265378256), (88, 214112002), (104, 181171694), (142, 132689128), (143, 131761232), (176, 107056001), (208, 90585847), (284, 66344564), (286, 65880616), (568, 33172282), (572, 32940308), (781, 24125296), (923, 20413712), (1136, 16586141), (1144, 16470154), (1562, 12062648), (1846, 10206856), (2288, 8235077), (3124, 6031324), (3692, 5103428), (6248, 3015662), (7384, 2551714), (10153, 1855792), (12496, 1507831), (14768, 1275857), (20306, 927896), (40612, 463948), (81224, 231974), (115987, 162448)]