1900128554

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 3089062656

約数和(自身を除く): 1188934102

約数列:

[1, 2, 19, 38, 71, 101, 142, 202, 361, 367, 722, 734, 1349, 1919, 2698, 3838, 6973, 7171, 13946, 14342, 25631, 26057, 36461, 37067, 51262, 52114, 72922, 74134, 132487, 136249, 264974, 272498, 495083, 704273, 990166, 1408546, 2588731, 2631757, 5177462, 5263514, 9406577, 13381187, 18813154, 26762374, 50003383, 100006766, 950064277, 1900128554]

約数ペア:

[(1, 1900128554), (2, 950064277), (19, 100006766), (38, 50003383), (71, 26762374), (101, 18813154), (142, 13381187), (202, 9406577), (361, 5263514), (367, 5177462), (722, 2631757), (734, 2588731), (1349, 1408546), (1919, 990166), (2698, 704273), (3838, 495083), (6973, 272498), (7171, 264974), (13946, 136249), (14342, 132487), (25631, 74134), (26057, 72922), (36461, 52114), (37067, 51262)]