19969320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23773}}^1$

素因数の和:23794

約数の個数: 64

約数和(自身を含む): 68469120

約数和(自身を除く): 48499800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23773, 47546, 71319, 95092, 118865, 142638, 166411, 190184, 237730, 285276, 332822, 356595, 475460, 499233, 570552, 665644, 713190, 832055, 950920, 998466, 1331288, 1426380, 1664110, 1996932, 2496165, 2852760, 3328220, 3993864, 4992330, 6656440, 9984660, 19969320]

約数ペア:

[(1, 19969320), (2, 9984660), (3, 6656440), (4, 4992330), (5, 3993864), (6, 3328220), (7, 2852760), (8, 2496165), (10, 1996932), (12, 1664110), (14, 1426380), (15, 1331288), (20, 998466), (21, 950920), (24, 832055), (28, 713190), (30, 665644), (35, 570552), (40, 499233), (42, 475460), (56, 356595), (60, 332822), (70, 285276), (84, 237730), (105, 190184), (120, 166411), (140, 142638), (168, 118865), (210, 95092), (280, 71319), (420, 47546), (840, 23773)]