19880784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 180

約数和(自身を含む): 70321888

約数和(自身を除く): 50441104

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 121, 126, 132, 144, 154, 163, 168, 176, 198, 231, 242, 252, 264, 308, 326, 336, 363, 396, 462, 484, 489, 504, 528, 616, 652, 693, 726, 792, 847, 924, 968, 978, 1008, 1089, 1141, 1232, 1304, 1386, 1452, 1467, 1584, 1694, 1793, 1848, 1936, 1956, 2178, 2282, 2541, 2608, 2772, 2904, 2934, 3388, 3423, 3586, 3696, 3912, 4356, 4564, 5082, 5379, 5544, 5808, 5868, 6776, 6846, 7172, 7623, 7824, 8712, 9128, 10164, 10269, 10758, 11088, 11736, 12551, 13552, 13692, 14344, 15246, 16137, 17424, 18256, 19723, 20328, 20538, 21516, 23472, 25102, 27384, 28688, 30492, 32274, 37653, 39446, 40656, 41076, 43032, 50204, 54768, 59169, 60984, 64548, 75306, 78892, 82152, 86064, 100408, 112959, 118338, 121968, 129096, 138061, 150612, 157784, 164304, 177507, 200816, 225918, 236676, 258192, 276122, 301224, 315568, 355014, 414183, 451836, 473352, 552244, 602448, 710028, 828366, 903672, 946704, 1104488, 1242549, 1420056, 1656732, 1807344, 2208976, 2485098, 2840112, 3313464, 4970196, 6626928, 9940392, 19880784]

約数ペア:

[(1, 19880784), (2, 9940392), (3, 6626928), (4, 4970196), (6, 3313464), (7, 2840112), (8, 2485098), (9, 2208976), (11, 1807344), (12, 1656732), (14, 1420056), (16, 1242549), (18, 1104488), (21, 946704), (22, 903672), (24, 828366), (28, 710028), (33, 602448), (36, 552244), (42, 473352), (44, 451836), (48, 414183), (56, 355014), (63, 315568), (66, 301224), (72, 276122), (77, 258192), (84, 236676), (88, 225918), (99, 200816), (112, 177507), (121, 164304), (126, 157784), (132, 150612), (144, 138061), (154, 129096), (163, 121968), (168, 118338), (176, 112959), (198, 100408), (231, 86064), (242, 82152), (252, 78892), (264, 75306), (308, 64548), (326, 60984), (336, 59169), (363, 54768), (396, 50204), (462, 43032), (484, 41076), (489, 40656), (504, 39446), (528, 37653), (616, 32274), (652, 30492), (693, 28688), (726, 27384), (792, 25102), (847, 23472), (924, 21516), (968, 20538), (978, 20328), (1008, 19723), (1089, 18256), (1141, 17424), (1232, 16137), (1304, 15246), (1386, 14344), (1452, 13692), (1467, 13552), (1584, 12551), (1694, 11736), (1793, 11088), (1848, 10758), (1936, 10269), (1956, 10164), (2178, 9128), (2282, 8712), (2541, 7824), (2608, 7623), (2772, 7172), (2904, 6846), (2934, 6776), (3388, 5868), (3423, 5808), (3586, 5544), (3696, 5379), (3912, 5082), (4356, 4564)]