19005480175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{29173}}^1$

素因数の和:29320

約数の個数: 48

約数和(自身を含む): 27088409088

約数和(自身を除く): 8082928913

約数列:

[1, 5, 11, 23, 25, 55, 103, 115, 253, 275, 515, 575, 1133, 1265, 2369, 2575, 5665, 6325, 11845, 26059, 28325, 29173, 59225, 130295, 145865, 320903, 651475, 670979, 729325, 1604515, 3004819, 3354895, 7380769, 8022575, 15024095, 16774475, 33053009, 36903845, 69110837, 75120475, 165265045, 184519225, 345554185, 760219207, 826325225, 1727770925, 3801096035, 19005480175]

約数ペア:

[(1, 19005480175), (5, 3801096035), (11, 1727770925), (23, 826325225), (25, 760219207), (55, 345554185), (103, 184519225), (115, 165265045), (253, 75120475), (275, 69110837), (515, 36903845), (575, 33053009), (1133, 16774475), (1265, 15024095), (2369, 8022575), (2575, 7380769), (5665, 3354895), (6325, 3004819), (11845, 1604515), (26059, 729325), (28325, 670979), (29173, 651475), (59225, 320903), (130295, 145865)]