18873918

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{1019}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 48960000

約数和(自身を除く): 30086082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 343, 378, 441, 686, 882, 1019, 1029, 1323, 2038, 2058, 2646, 3057, 3087, 6114, 6174, 7133, 9171, 9261, 14266, 18342, 18522, 21399, 27513, 42798, 49931, 55026, 64197, 99862, 128394, 149793, 192591, 299586, 349517, 385182, 449379, 699034, 898758, 1048551, 1348137, 2097102, 2696274, 3145653, 6291306, 9436959, 18873918]

約数ペア:

[(1, 18873918), (2, 9436959), (3, 6291306), (6, 3145653), (7, 2696274), (9, 2097102), (14, 1348137), (18, 1048551), (21, 898758), (27, 699034), (42, 449379), (49, 385182), (54, 349517), (63, 299586), (98, 192591), (126, 149793), (147, 128394), (189, 99862), (294, 64197), (343, 55026), (378, 49931), (441, 42798), (686, 27513), (882, 21399), (1019, 18522), (1029, 18342), (1323, 14266), (2038, 9261), (2058, 9171), (2646, 7133), (3057, 6174), (3087, 6114)]