19989116

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31039}}^1$

素因数の和:31073

約数の個数: 24

約数和(自身を含む): 41717760

約数和(自身を除く): 21728644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31039, 62078, 124156, 217273, 434546, 713897, 869092, 1427794, 2855588, 4997279, 9994558, 19989116]

約数ペア:

[(1, 19989116), (2, 9994558), (4, 4997279), (7, 2855588), (14, 1427794), (23, 869092), (28, 713897), (46, 434546), (92, 217273), (161, 124156), (322, 62078), (644, 31039)]