19489792

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2719}}^1$

素因数の和:2746

約数の個数: 44

約数和(自身を含む): 44542720

約数和(自身を除く): 25052928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2719, 3584, 5438, 7168, 10876, 19033, 21752, 38066, 43504, 76132, 87008, 152264, 174016, 304528, 348032, 609056, 696064, 1218112, 1392128, 2436224, 2784256, 4872448, 9744896, 19489792]

約数ペア:

[(1, 19489792), (2, 9744896), (4, 4872448), (7, 2784256), (8, 2436224), (14, 1392128), (16, 1218112), (28, 696064), (32, 609056), (56, 348032), (64, 304528), (112, 174016), (128, 152264), (224, 87008), (256, 76132), (448, 43504), (512, 38066), (896, 21752), (1024, 19033), (1792, 10876), (2719, 7168), (3584, 5438)]