19390980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 62689536

約数和(自身を除く): 43298556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 274, 337, 411, 420, 548, 674, 685, 822, 959, 1011, 1348, 1370, 1644, 1685, 1918, 2022, 2055, 2359, 2740, 2877, 3370, 3836, 4044, 4110, 4718, 4795, 5055, 5754, 6740, 7077, 8220, 9436, 9590, 10110, 11508, 11795, 14154, 14385, 19180, 20220, 23590, 28308, 28770, 35385, 46169, 47180, 57540, 70770, 92338, 138507, 141540, 184676, 230845, 277014, 323183, 461690, 554028, 646366, 692535, 923380, 969549, 1292732, 1385070, 1615915, 1939098, 2770140, 3231830, 3878196, 4847745, 6463660, 9695490, 19390980]

約数ペア:

[(1, 19390980), (2, 9695490), (3, 6463660), (4, 4847745), (5, 3878196), (6, 3231830), (7, 2770140), (10, 1939098), (12, 1615915), (14, 1385070), (15, 1292732), (20, 969549), (21, 923380), (28, 692535), (30, 646366), (35, 554028), (42, 461690), (60, 323183), (70, 277014), (84, 230845), (105, 184676), (137, 141540), (140, 138507), (210, 92338), (274, 70770), (337, 57540), (411, 47180), (420, 46169), (548, 35385), (674, 28770), (685, 28308), (822, 23590), (959, 20220), (1011, 19180), (1348, 14385), (1370, 14154), (1644, 11795), (1685, 11508), (1918, 10110), (2022, 9590), (2055, 9436), (2359, 8220), (2740, 7077), (2877, 6740), (3370, 5754), (3836, 5055), (4044, 4795), (4110, 4718)]