19854016

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:526

約数の個数: 84

約数和(自身を含む): 49456848

約数和(自身を除く): 29602832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 487, 637, 728, 784, 832, 974, 1274, 1456, 1568, 1948, 2548, 2912, 3136, 3409, 3896, 5096, 5824, 6331, 6818, 7792, 10192, 12662, 13636, 15584, 20384, 23863, 25324, 27272, 31168, 40768, 44317, 47726, 50648, 54544, 88634, 95452, 101296, 109088, 177268, 190904, 202592, 218176, 310219, 354536, 381808, 405184, 620438, 709072, 763616, 1240876, 1418144, 1527232, 2481752, 2836288, 4963504, 9927008, 19854016]

約数ペア:

[(1, 19854016), (2, 9927008), (4, 4963504), (7, 2836288), (8, 2481752), (13, 1527232), (14, 1418144), (16, 1240876), (26, 763616), (28, 709072), (32, 620438), (49, 405184), (52, 381808), (56, 354536), (64, 310219), (91, 218176), (98, 202592), (104, 190904), (112, 177268), (182, 109088), (196, 101296), (208, 95452), (224, 88634), (364, 54544), (392, 50648), (416, 47726), (448, 44317), (487, 40768), (637, 31168), (728, 27272), (784, 25324), (832, 23863), (974, 20384), (1274, 15584), (1456, 13636), (1568, 12662), (1948, 10192), (2548, 7792), (2912, 6818), (3136, 6331), (3409, 5824), (3896, 5096)]