19878799808

素因数分解:

$2^6\times 7^2\times {\mathrm{6338903}}^1$

素因数の和:6338929

約数の個数: 42

約数和(自身を含む): 45887326056

約数和(自身を除く): 26008526248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 6338903, 12677806, 25355612, 44372321, 50711224, 88744642, 101422448, 177489284, 202844896, 310606247, 354978568, 405689792, 621212494, 709957136, 1242424988, 1419914272, 2484849976, 2839828544, 4969699952, 9939399904, 19878799808]

約数ペア:

[(1, 19878799808), (2, 9939399904), (4, 4969699952), (7, 2839828544), (8, 2484849976), (14, 1419914272), (16, 1242424988), (28, 709957136), (32, 621212494), (49, 405689792), (56, 354978568), (64, 310606247), (98, 202844896), (112, 177489284), (196, 101422448), (224, 88744642), (392, 50711224), (448, 44372321), (784, 25355612), (1568, 12677806), (3136, 6338903)]