19203322012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{16127}}^1$

素因数の和:16247

約数の個数: 72

約数和(自身を含む): 41032728576

約数和(自身を除く): 21829406564

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 989, 1204, 1849, 1978, 3698, 3956, 6923, 7396, 12943, 13846, 16127, 25886, 27692, 32254, 42527, 51772, 64508, 85054, 112889, 170108, 225778, 297689, 370921, 451556, 595378, 693461, 741842, 1190756, 1386922, 1483684, 2596447, 2773844, 4854227, 5192894, 9708454, 10385788, 15949603, 19416908, 29818823, 31899206, 59637646, 63798412, 111647221, 119275292, 208731761, 223294442, 417463522, 446588884, 685832929, 834927044, 1371665858, 2743331716, 4800830503, 9601661006, 19203322012]

約数ペア:

[(1, 19203322012), (2, 9601661006), (4, 4800830503), (7, 2743331716), (14, 1371665858), (23, 834927044), (28, 685832929), (43, 446588884), (46, 417463522), (86, 223294442), (92, 208731761), (161, 119275292), (172, 111647221), (301, 63798412), (322, 59637646), (602, 31899206), (644, 29818823), (989, 19416908), (1204, 15949603), (1849, 10385788), (1978, 9708454), (3698, 5192894), (3956, 4854227), (6923, 2773844), (7396, 2596447), (12943, 1483684), (13846, 1386922), (16127, 1190756), (25886, 741842), (27692, 693461), (32254, 595378), (42527, 451556), (51772, 370921), (64508, 297689), (85054, 225778), (112889, 170108)]