16905812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 20349868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 419, 524, 838, 917, 1441, 1676, 1834, 2882, 2933, 3668, 4609, 5764, 5866, 9218, 10087, 11732, 18436, 20174, 32263, 40348, 54889, 64526, 109778, 129052, 219556, 384223, 603779, 768446, 1207558, 1536892, 2415116, 4226453, 8452906, 16905812]

約数ペア:

[(1, 16905812), (2, 8452906), (4, 4226453), (7, 2415116), (11, 1536892), (14, 1207558), (22, 768446), (28, 603779), (44, 384223), (77, 219556), (131, 129052), (154, 109778), (262, 64526), (308, 54889), (419, 40348), (524, 32263), (838, 20174), (917, 18436), (1441, 11732), (1676, 10087), (1834, 9218), (2882, 5866), (2933, 5764), (3668, 4609)]