20181196

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5261}}^1$

素因数の和:5409

約数の個数: 24

約数和(自身を含む): 40664736

約数和(自身を除く): 20483540

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 5261, 10522, 21044, 36827, 73654, 147308, 720757, 1441514, 2883028, 5045299, 10090598, 20181196]

約数ペア:

[(1, 20181196), (2, 10090598), (4, 5045299), (7, 2883028), (14, 1441514), (28, 720757), (137, 147308), (274, 73654), (548, 36827), (959, 21044), (1918, 10522), (3836, 5261)]