19167211

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 5715989

約数列:

[1, 7, 17, 23, 47, 119, 149, 161, 329, 391, 799, 1043, 1081, 2533, 2737, 3427, 5593, 7003, 7567, 17731, 18377, 23989, 49021, 58259, 119051, 128639, 161069, 407813, 833357, 1127483, 2738173, 19167211]

約数ペア:

[(1, 19167211), (7, 2738173), (17, 1127483), (23, 833357), (47, 407813), (119, 161069), (149, 128639), (161, 119051), (329, 58259), (391, 49021), (799, 23989), (1043, 18377), (1081, 17731), (2533, 7567), (2737, 7003), (3427, 5593)]