18504892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21319}}^1$

素因数の和:21361

約数の個数: 24

約数和(自身を含む): 38205440

約数和(自身を除く): 19700548

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21319, 42638, 85276, 149233, 298466, 596932, 660889, 1321778, 2643556, 4626223, 9252446, 18504892]

約数ペア:

[(1, 18504892), (2, 9252446), (4, 4626223), (7, 2643556), (14, 1321778), (28, 660889), (31, 596932), (62, 298466), (124, 149233), (217, 85276), (434, 42638), (868, 21319)]