19947834

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 49870080

約数和(自身を除く): 29922246

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 47, 51, 57, 73, 94, 102, 114, 141, 146, 153, 171, 219, 282, 306, 323, 342, 423, 438, 646, 657, 799, 846, 893, 969, 1241, 1314, 1387, 1598, 1786, 1938, 2397, 2482, 2679, 2774, 2907, 3431, 3723, 4161, 4794, 5358, 5814, 6862, 7191, 7446, 8037, 8322, 10293, 11169, 12483, 14382, 15181, 16074, 20586, 22338, 23579, 24966, 30362, 30879, 45543, 47158, 58327, 61758, 65189, 70737, 91086, 116654, 130378, 136629, 141474, 174981, 195567, 212211, 273258, 349962, 391134, 424422, 524943, 586701, 1049886, 1108213, 1173402, 2216426, 3324639, 6649278, 9973917, 19947834]

約数ペア:

[(1, 19947834), (2, 9973917), (3, 6649278), (6, 3324639), (9, 2216426), (17, 1173402), (18, 1108213), (19, 1049886), (34, 586701), (38, 524943), (47, 424422), (51, 391134), (57, 349962), (73, 273258), (94, 212211), (102, 195567), (114, 174981), (141, 141474), (146, 136629), (153, 130378), (171, 116654), (219, 91086), (282, 70737), (306, 65189), (323, 61758), (342, 58327), (423, 47158), (438, 45543), (646, 30879), (657, 30362), (799, 24966), (846, 23579), (893, 22338), (969, 20586), (1241, 16074), (1314, 15181), (1387, 14382), (1598, 12483), (1786, 11169), (1938, 10293), (2397, 8322), (2482, 8037), (2679, 7446), (2774, 7191), (2907, 6862), (3431, 5814), (3723, 5358), (4161, 4794)]