19888527060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1\times {\mathrm{1583}}^1$

素因数の和:2134

約数の個数: 144

約数和(自身を含む): 60831074304

約数和(自身を除く): 40942547244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 313, 446, 626, 669, 892, 939, 1115, 1252, 1338, 1565, 1583, 1878, 2007, 2230, 2676, 2817, 3130, 3166, 3345, 3756, 4014, 4460, 4695, 4749, 5634, 6260, 6332, 6690, 7915, 8028, 9390, 9498, 10035, 11268, 13380, 14085, 14247, 15830, 18780, 18996, 20070, 23745, 28170, 28494, 31660, 40140, 47490, 56340, 56988, 69799, 71235, 94980, 139598, 142470, 209397, 279196, 284940, 348995, 353009, 418794, 495479, 628191, 697990, 706018, 837588, 990958, 1046985, 1059027, 1256382, 1395980, 1412036, 1486437, 1765045, 1981916, 2093970, 2118054, 2477395, 2512764, 2972874, 3140955, 3177081, 3530090, 4187940, 4236108, 4459311, 4954790, 5295135, 5945748, 6281910, 6354162, 7060180, 7432185, 8918622, 9909580, 10590270, 12563820, 12708324, 14864370, 15885405, 17837244, 21180540, 22296555, 29728740, 31770810, 44593110, 63541620, 89186220, 110491817, 220983634, 331475451, 441967268, 552459085, 662950902, 994426353, 1104918170, 1325901804, 1657377255, 1988852706, 2209836340, 3314754510, 3977705412, 4972131765, 6629509020, 9944263530, 19888527060]

約数ペア:

[(1, 19888527060), (2, 9944263530), (3, 6629509020), (4, 4972131765), (5, 3977705412), (6, 3314754510), (9, 2209836340), (10, 1988852706), (12, 1657377255), (15, 1325901804), (18, 1104918170), (20, 994426353), (30, 662950902), (36, 552459085), (45, 441967268), (60, 331475451), (90, 220983634), (180, 110491817), (223, 89186220), (313, 63541620), (446, 44593110), (626, 31770810), (669, 29728740), (892, 22296555), (939, 21180540), (1115, 17837244), (1252, 15885405), (1338, 14864370), (1565, 12708324), (1583, 12563820), (1878, 10590270), (2007, 9909580), (2230, 8918622), (2676, 7432185), (2817, 7060180), (3130, 6354162), (3166, 6281910), (3345, 5945748), (3756, 5295135), (4014, 4954790), (4460, 4459311), (4695, 4236108), (4749, 4187940), (5634, 3530090), (6260, 3177081), (6332, 3140955), (6690, 2972874), (7915, 2512764), (8028, 2477395), (9390, 2118054), (9498, 2093970), (10035, 1981916), (11268, 1765045), (13380, 1486437), (14085, 1412036), (14247, 1395980), (15830, 1256382), (18780, 1059027), (18996, 1046985), (20070, 990958), (23745, 837588), (28170, 706018), (28494, 697990), (31660, 628191), (40140, 495479), (47490, 418794), (56340, 353009), (56988, 348995), (69799, 284940), (71235, 279196), (94980, 209397), (139598, 142470)]