19145084

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 42230160

約数和(自身を除く): 23085076

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 53, 76, 97, 98, 106, 133, 194, 196, 212, 266, 371, 388, 532, 679, 742, 931, 1007, 1358, 1484, 1843, 1862, 2014, 2597, 2716, 3686, 3724, 4028, 4753, 5141, 5194, 7049, 7372, 9506, 10282, 10388, 12901, 14098, 19012, 20564, 25802, 28196, 35987, 49343, 51604, 71974, 90307, 97679, 98686, 143948, 180614, 195358, 197372, 251909, 361228, 390716, 503818, 683753, 1007636, 1367506, 2735012, 4786271, 9572542, 19145084]

約数ペア:

[(1, 19145084), (2, 9572542), (4, 4786271), (7, 2735012), (14, 1367506), (19, 1007636), (28, 683753), (38, 503818), (49, 390716), (53, 361228), (76, 251909), (97, 197372), (98, 195358), (106, 180614), (133, 143948), (194, 98686), (196, 97679), (212, 90307), (266, 71974), (371, 51604), (388, 49343), (532, 35987), (679, 28196), (742, 25802), (931, 20564), (1007, 19012), (1358, 14098), (1484, 12901), (1843, 10388), (1862, 10282), (2014, 9506), (2597, 7372), (2716, 7049), (3686, 5194), (3724, 5141), (4028, 4753)]