18937856

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1321}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 43308720

約数和(自身を除く): 24370864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1321, 1792, 2048, 2642, 3584, 5284, 7168, 9247, 10568, 14336, 18494, 21136, 36988, 42272, 73976, 84544, 147952, 169088, 295904, 338176, 591808, 676352, 1183616, 1352704, 2367232, 2705408, 4734464, 9468928, 18937856]

約数ペア:

[(1, 18937856), (2, 9468928), (4, 4734464), (7, 2705408), (8, 2367232), (14, 1352704), (16, 1183616), (28, 676352), (32, 591808), (56, 338176), (64, 295904), (112, 169088), (128, 147952), (224, 84544), (256, 73976), (448, 42272), (512, 36988), (896, 21136), (1024, 18494), (1321, 14336), (1792, 10568), (2048, 9247), (2642, 7168), (3584, 5284)]