19574541

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 37171200

約数和(自身を除く): 17596659

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 57, 63, 69, 79, 81, 133, 161, 171, 189, 207, 237, 399, 437, 483, 513, 553, 567, 621, 711, 1197, 1311, 1449, 1501, 1539, 1659, 1817, 1863, 2133, 3059, 3591, 3933, 4347, 4503, 4977, 5451, 6399, 9177, 10507, 10773, 11799, 12719, 13041, 13509, 14931, 16353, 27531, 31521, 34523, 35397, 38157, 40527, 44793, 49059, 82593, 94563, 103569, 114471, 121581, 147177, 241661, 247779, 283689, 310707, 343413, 724983, 851067, 932121, 1030239, 2174949, 2796363, 6524847, 19574541]

約数ペア:

[(1, 19574541), (3, 6524847), (7, 2796363), (9, 2174949), (19, 1030239), (21, 932121), (23, 851067), (27, 724983), (57, 343413), (63, 310707), (69, 283689), (79, 247779), (81, 241661), (133, 147177), (161, 121581), (171, 114471), (189, 103569), (207, 94563), (237, 82593), (399, 49059), (437, 44793), (483, 40527), (513, 38157), (553, 35397), (567, 34523), (621, 31521), (711, 27531), (1197, 16353), (1311, 14931), (1449, 13509), (1501, 13041), (1539, 12719), (1659, 11799), (1817, 10773), (1863, 10507), (2133, 9177), (3059, 6399), (3591, 5451), (3933, 4977), (4347, 4503)]