18616108

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 39320064

約数和(自身を除く): 20703956

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 137, 161, 211, 274, 322, 422, 548, 644, 844, 959, 1477, 1918, 2954, 3151, 3836, 4853, 5908, 6302, 9706, 12604, 19412, 22057, 28907, 33971, 44114, 57814, 67942, 88228, 115628, 135884, 202349, 404698, 664861, 809396, 1329722, 2659444, 4654027, 9308054, 18616108]

約数ペア:

[(1, 18616108), (2, 9308054), (4, 4654027), (7, 2659444), (14, 1329722), (23, 809396), (28, 664861), (46, 404698), (92, 202349), (137, 135884), (161, 115628), (211, 88228), (274, 67942), (322, 57814), (422, 44114), (548, 33971), (644, 28907), (844, 22057), (959, 19412), (1477, 12604), (1918, 9706), (2954, 6302), (3151, 5908), (3836, 4853)]