19493149212

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{161683}}^1$

素因数の和:161907

約数の個数: 72

約数和(自身を含む): 52438001616

約数和(自身を除く): 32944852404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 197, 204, 306, 394, 591, 612, 788, 1182, 1773, 2364, 3349, 3546, 6698, 7092, 10047, 13396, 20094, 30141, 40188, 60282, 120564, 161683, 323366, 485049, 646732, 970098, 1455147, 1940196, 2748611, 2910294, 5497222, 5820588, 8245833, 10994444, 16491666, 24737499, 31851551, 32983332, 49474998, 63703102, 95554653, 98949996, 127406204, 191109306, 286663959, 382218612, 541476367, 573327918, 1082952734, 1146655836, 1624429101, 2165905468, 3248858202, 4873287303, 6497716404, 9746574606, 19493149212]

約数ペア:

[(1, 19493149212), (2, 9746574606), (3, 6497716404), (4, 4873287303), (6, 3248858202), (9, 2165905468), (12, 1624429101), (17, 1146655836), (18, 1082952734), (34, 573327918), (36, 541476367), (51, 382218612), (68, 286663959), (102, 191109306), (153, 127406204), (197, 98949996), (204, 95554653), (306, 63703102), (394, 49474998), (591, 32983332), (612, 31851551), (788, 24737499), (1182, 16491666), (1773, 10994444), (2364, 8245833), (3349, 5820588), (3546, 5497222), (6698, 2910294), (7092, 2748611), (10047, 1940196), (13396, 1455147), (20094, 970098), (30141, 646732), (40188, 485049), (60282, 323366), (120564, 161683)]