19687724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 43276800

約数和(自身を除く): 23589076

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1609, 1748, 3059, 3218, 6118, 6436, 11263, 12236, 22526, 30571, 37007, 45052, 61142, 74014, 122284, 148028, 213997, 259049, 427994, 518098, 703133, 855988, 1036196, 1406266, 2812532, 4921931, 9843862, 19687724]

約数ペア:

[(1, 19687724), (2, 9843862), (4, 4921931), (7, 2812532), (14, 1406266), (19, 1036196), (23, 855988), (28, 703133), (38, 518098), (46, 427994), (76, 259049), (92, 213997), (133, 148028), (161, 122284), (266, 74014), (322, 61142), (437, 45052), (532, 37007), (644, 30571), (874, 22526), (1609, 12236), (1748, 11263), (3059, 6436), (3218, 6118)]