19868508

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 55351296

約数和(自身を除く): 35482788

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 383, 393, 396, 524, 766, 786, 1149, 1179, 1441, 1532, 1572, 2298, 2358, 2882, 3447, 4213, 4323, 4596, 4716, 5764, 6894, 8426, 8646, 12639, 12969, 13788, 16852, 17292, 25278, 25938, 37917, 50173, 50556, 51876, 75834, 100346, 150519, 151668, 200692, 301038, 451557, 551903, 602076, 903114, 1103806, 1655709, 1806228, 2207612, 3311418, 4967127, 6622836, 9934254, 19868508]

約数ペア:

[(1, 19868508), (2, 9934254), (3, 6622836), (4, 4967127), (6, 3311418), (9, 2207612), (11, 1806228), (12, 1655709), (18, 1103806), (22, 903114), (33, 602076), (36, 551903), (44, 451557), (66, 301038), (99, 200692), (131, 151668), (132, 150519), (198, 100346), (262, 75834), (383, 51876), (393, 50556), (396, 50173), (524, 37917), (766, 25938), (786, 25278), (1149, 17292), (1179, 16852), (1441, 13788), (1532, 12969), (1572, 12639), (2298, 8646), (2358, 8426), (2882, 6894), (3447, 5764), (4213, 4716), (4323, 4596)]