18629884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 41975808

約数和(自身を除く): 23345924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 127, 169, 182, 217, 254, 338, 364, 403, 434, 508, 676, 806, 868, 889, 1183, 1612, 1651, 1778, 2366, 2821, 3302, 3556, 3937, 4732, 5239, 5642, 6604, 7874, 10478, 11284, 11557, 15748, 20956, 21463, 23114, 27559, 36673, 42926, 46228, 51181, 55118, 73346, 85852, 102362, 110236, 146692, 150241, 204724, 300482, 358267, 600964, 665353, 716534, 1330706, 1433068, 2661412, 4657471, 9314942, 18629884]

約数ペア:

[(1, 18629884), (2, 9314942), (4, 4657471), (7, 2661412), (13, 1433068), (14, 1330706), (26, 716534), (28, 665353), (31, 600964), (52, 358267), (62, 300482), (91, 204724), (124, 150241), (127, 146692), (169, 110236), (182, 102362), (217, 85852), (254, 73346), (338, 55118), (364, 51181), (403, 46228), (434, 42926), (508, 36673), (676, 27559), (806, 23114), (868, 21463), (889, 20956), (1183, 15748), (1612, 11557), (1651, 11284), (1778, 10478), (2366, 7874), (2821, 6604), (3302, 5642), (3556, 5239), (3937, 4732)]