18805164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 50432256

約数和(自身を除く): 31627092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1061, 1266, 1477, 2122, 2532, 2954, 3183, 4244, 4431, 5908, 6366, 7427, 8862, 12732, 14854, 17724, 22281, 29708, 44562, 89124, 223871, 447742, 671613, 895484, 1343226, 1567097, 2686452, 3134194, 4701291, 6268388, 9402582, 18805164]

約数ペア:

[(1, 18805164), (2, 9402582), (3, 6268388), (4, 4701291), (6, 3134194), (7, 2686452), (12, 1567097), (14, 1343226), (21, 895484), (28, 671613), (42, 447742), (84, 223871), (211, 89124), (422, 44562), (633, 29708), (844, 22281), (1061, 17724), (1266, 14854), (1477, 12732), (2122, 8862), (2532, 7427), (2954, 6366), (3183, 5908), (4244, 4431)]