19998145959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{1889}}^1$

素因数の和:2200

約数の個数: 64

約数和(自身を含む): 31274449920

約数和(自身を除く): 11276303961

約数列:

[1, 3, 11, 17, 33, 51, 113, 167, 187, 339, 501, 561, 1243, 1837, 1889, 1921, 2839, 3729, 5511, 5667, 5763, 8517, 18871, 20779, 21131, 31229, 32113, 56613, 62337, 63393, 93687, 96339, 207581, 213457, 315463, 320807, 353243, 622743, 640371, 946389, 962421, 1059729, 2348027, 3470093, 3528877, 3628769, 5362871, 7044081, 10410279, 10586631, 10886307, 16088613, 35647319, 39916459, 58991581, 106941957, 119749377, 176974743, 392120509, 606004423, 1176361527, 1818013269, 6666048653, 19998145959]

約数ペア:

[(1, 19998145959), (3, 6666048653), (11, 1818013269), (17, 1176361527), (33, 606004423), (51, 392120509), (113, 176974743), (167, 119749377), (187, 106941957), (339, 58991581), (501, 39916459), (561, 35647319), (1243, 16088613), (1837, 10886307), (1889, 10586631), (1921, 10410279), (2839, 7044081), (3729, 5362871), (5511, 3628769), (5667, 3528877), (5763, 3470093), (8517, 2348027), (18871, 1059729), (20779, 962421), (21131, 946389), (31229, 640371), (32113, 622743), (56613, 353243), (62337, 320807), (63393, 315463), (93687, 213457), (96339, 207581)]