18519210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1543

約数の個数: 48

約数和(自身を含む): 48508200

約数和(自身を除く): 29988990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1381, 1490, 2235, 2682, 2762, 4143, 4470, 6705, 6905, 8286, 12429, 13410, 13810, 20715, 24858, 41430, 62145, 124290, 205769, 411538, 617307, 1028845, 1234614, 1851921, 2057690, 3086535, 3703842, 6173070, 9259605, 18519210]

約数ペア:

[(1, 18519210), (2, 9259605), (3, 6173070), (5, 3703842), (6, 3086535), (9, 2057690), (10, 1851921), (15, 1234614), (18, 1028845), (30, 617307), (45, 411538), (90, 205769), (149, 124290), (298, 62145), (447, 41430), (745, 24858), (894, 20715), (1341, 13810), (1381, 13410), (1490, 12429), (2235, 8286), (2682, 6905), (2762, 6705), (4143, 4470)]