19457116

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2683}}^1$

素因数の和:2738

約数の個数: 36

約数和(自身を含む): 40694808

約数和(自身を除く): 21237692

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2683, 3626, 5366, 7252, 10732, 18781, 37562, 75124, 99271, 131467, 198542, 262934, 397084, 525868, 694897, 1389794, 2779588, 4864279, 9728558, 19457116]

約数ペア:

[(1, 19457116), (2, 9728558), (4, 4864279), (7, 2779588), (14, 1389794), (28, 694897), (37, 525868), (49, 397084), (74, 262934), (98, 198542), (148, 131467), (196, 99271), (259, 75124), (518, 37562), (1036, 18781), (1813, 10732), (2683, 7252), (3626, 5366)]