19013540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 50878464

約数和(自身を除く): 31864924

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 337, 364, 403, 434, 455, 620, 674, 806, 868, 910, 1085, 1348, 1612, 1685, 1820, 2015, 2170, 2359, 2821, 3370, 4030, 4340, 4381, 4718, 5642, 6740, 8060, 8762, 9436, 10447, 11284, 11795, 14105, 17524, 20894, 21905, 23590, 28210, 30667, 41788, 43810, 47180, 52235, 56420, 61334, 73129, 87620, 104470, 122668, 135811, 146258, 153335, 208940, 271622, 292516, 306670, 365645, 543244, 613340, 679055, 731290, 950677, 1358110, 1462580, 1901354, 2716220, 3802708, 4753385, 9506770, 19013540]

約数ペア:

[(1, 19013540), (2, 9506770), (4, 4753385), (5, 3802708), (7, 2716220), (10, 1901354), (13, 1462580), (14, 1358110), (20, 950677), (26, 731290), (28, 679055), (31, 613340), (35, 543244), (52, 365645), (62, 306670), (65, 292516), (70, 271622), (91, 208940), (124, 153335), (130, 146258), (140, 135811), (155, 122668), (182, 104470), (217, 87620), (260, 73129), (310, 61334), (337, 56420), (364, 52235), (403, 47180), (434, 43810), (455, 41788), (620, 30667), (674, 28210), (806, 23590), (868, 21905), (910, 20894), (1085, 17524), (1348, 14105), (1612, 11795), (1685, 11284), (1820, 10447), (2015, 9436), (2170, 8762), (2359, 8060), (2821, 6740), (3370, 5642), (4030, 4718), (4340, 4381)]