19304816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38921}}^1$

素因数の和:38960

約数の個数: 20

約数和(自身を含む): 38610624

約数和(自身を除く): 19305808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38921, 77842, 155684, 311368, 622736, 1206551, 2413102, 4826204, 9652408, 19304816]

約数ペア:

[(1, 19304816), (2, 9652408), (4, 4826204), (8, 2413102), (16, 1206551), (31, 622736), (62, 311368), (124, 155684), (248, 77842), (496, 38921)]