19800864

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:562

約数の個数: 72

約数和(自身を含む): 56756700

約数和(自身を除く): 36955836

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 349, 394, 591, 698, 788, 1047, 1182, 1396, 1576, 1773, 2094, 2364, 2792, 3141, 3152, 3546, 4188, 4728, 5584, 6282, 6304, 7092, 8376, 9456, 11168, 12564, 14184, 16752, 18912, 25128, 28368, 33504, 50256, 56736, 68753, 100512, 137506, 206259, 275012, 412518, 550024, 618777, 825036, 1100048, 1237554, 1650072, 2200096, 2475108, 3300144, 4950216, 6600288, 9900432, 19800864]

約数ペア:

[(1, 19800864), (2, 9900432), (3, 6600288), (4, 4950216), (6, 3300144), (8, 2475108), (9, 2200096), (12, 1650072), (16, 1237554), (18, 1100048), (24, 825036), (32, 618777), (36, 550024), (48, 412518), (72, 275012), (96, 206259), (144, 137506), (197, 100512), (288, 68753), (349, 56736), (394, 50256), (591, 33504), (698, 28368), (788, 25128), (1047, 18912), (1182, 16752), (1396, 14184), (1576, 12564), (1773, 11168), (2094, 9456), (2364, 8376), (2792, 7092), (3141, 6304), (3152, 6282), (3546, 5584), (4188, 4728)]