19740105

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 44448768

約数和(自身を除く): 24708663

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 211, 231, 243, 297, 315, 385, 405, 495, 567, 633, 693, 891, 945, 1055, 1155, 1215, 1477, 1485, 1701, 1899, 2079, 2321, 2673, 2835, 3165, 3465, 4431, 4455, 5697, 6237, 6963, 7385, 8505, 9495, 10395, 11605, 13293, 13365, 16247, 17091, 18711, 20889, 22155, 28485, 31185, 34815, 39879, 48741, 51273, 62667, 66465, 81235, 85455, 93555, 104445, 119637, 146223, 188001, 199395, 243705, 256365, 313335, 358911, 438669, 564003, 598185, 731115, 940005, 1316007, 1794555, 2193345, 2820015, 3948021, 6580035, 19740105]

約数ペア:

[(1, 19740105), (3, 6580035), (5, 3948021), (7, 2820015), (9, 2193345), (11, 1794555), (15, 1316007), (21, 940005), (27, 731115), (33, 598185), (35, 564003), (45, 438669), (55, 358911), (63, 313335), (77, 256365), (81, 243705), (99, 199395), (105, 188001), (135, 146223), (165, 119637), (189, 104445), (211, 93555), (231, 85455), (243, 81235), (297, 66465), (315, 62667), (385, 51273), (405, 48741), (495, 39879), (567, 34815), (633, 31185), (693, 28485), (891, 22155), (945, 20889), (1055, 18711), (1155, 17091), (1215, 16247), (1477, 13365), (1485, 13293), (1701, 11605), (1899, 10395), (2079, 9495), (2321, 8505), (2673, 7385), (2835, 6963), (3165, 6237), (3465, 5697), (4431, 4455)]