18915472

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2633}}^1$

素因数の和:3090

約数の個数: 20

約数和(自身を含む): 36744300

約数和(自身を除く): 17828828

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 2633, 3592, 5266, 7184, 10532, 21064, 42128, 1182217, 2364434, 4728868, 9457736, 18915472]

約数ペア:

[(1, 18915472), (2, 9457736), (4, 4728868), (8, 2364434), (16, 1182217), (449, 42128), (898, 21064), (1796, 10532), (2633, 7184), (3592, 5266)]