18593001

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 33072000

約数和(自身を除く): 14478999

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 317, 343, 399, 441, 931, 951, 1029, 1197, 2219, 2793, 2853, 3087, 6023, 6517, 6657, 8379, 15533, 18069, 19551, 19971, 42161, 46599, 54207, 58653, 108731, 126483, 139797, 295127, 326193, 379449, 885381, 978579, 2065889, 2656143, 6197667, 18593001]

約数ペア:

[(1, 18593001), (3, 6197667), (7, 2656143), (9, 2065889), (19, 978579), (21, 885381), (49, 379449), (57, 326193), (63, 295127), (133, 139797), (147, 126483), (171, 108731), (317, 58653), (343, 54207), (399, 46599), (441, 42161), (931, 19971), (951, 19551), (1029, 18069), (1197, 15533), (2219, 8379), (2793, 6657), (2853, 6517), (3087, 6023)]