19934572

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 43953840

約数和(自身を除く): 24019268

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 53, 76, 98, 101, 106, 133, 196, 202, 212, 266, 371, 404, 532, 707, 742, 931, 1007, 1414, 1484, 1862, 1919, 2014, 2597, 2828, 3724, 3838, 4028, 4949, 5194, 5353, 7049, 7676, 9898, 10388, 10706, 13433, 14098, 19796, 21412, 26866, 28196, 37471, 49343, 53732, 74942, 94031, 98686, 101707, 149884, 188062, 197372, 203414, 262297, 376124, 406828, 524594, 711949, 1049188, 1423898, 2847796, 4983643, 9967286, 19934572]

約数ペア:

[(1, 19934572), (2, 9967286), (4, 4983643), (7, 2847796), (14, 1423898), (19, 1049188), (28, 711949), (38, 524594), (49, 406828), (53, 376124), (76, 262297), (98, 203414), (101, 197372), (106, 188062), (133, 149884), (196, 101707), (202, 98686), (212, 94031), (266, 74942), (371, 53732), (404, 49343), (532, 37471), (707, 28196), (742, 26866), (931, 21412), (1007, 19796), (1414, 14098), (1484, 13433), (1862, 10706), (1919, 10388), (2014, 9898), (2597, 7676), (2828, 7049), (3724, 5353), (3838, 5194), (4028, 4949)]