19414143

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 34528000

約数和(自身を除く): 15113857

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 331, 343, 399, 441, 931, 993, 1029, 1197, 2317, 2793, 2979, 3087, 6289, 6517, 6951, 8379, 16219, 18867, 19551, 20853, 44023, 48657, 56601, 58653, 113533, 132069, 145971, 308161, 340599, 396207, 924483, 1021797, 2157127, 2773449, 6471381, 19414143]

約数ペア:

[(1, 19414143), (3, 6471381), (7, 2773449), (9, 2157127), (19, 1021797), (21, 924483), (49, 396207), (57, 340599), (63, 308161), (133, 145971), (147, 132069), (171, 113533), (331, 58653), (343, 56601), (399, 48657), (441, 44023), (931, 20853), (993, 19551), (1029, 18867), (1197, 16219), (2317, 8379), (2793, 6951), (2979, 6517), (3087, 6289)]