19713081025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{122957}}^1$

素因数の和:123042

約数の個数: 36

約数和(自身を含む): 27375615036

約数和(自身を除く): 7662534011

約数列:

[1, 5, 11, 25, 53, 55, 121, 265, 275, 583, 605, 1325, 2915, 3025, 6413, 14575, 32065, 122957, 160325, 614785, 1352527, 3073925, 6516721, 6762635, 14877797, 32583605, 33813175, 71683931, 74388985, 162918025, 358419655, 371944925, 788523241, 1792098275, 3942616205, 19713081025]

約数ペア:

[(1, 19713081025), (5, 3942616205), (11, 1792098275), (25, 788523241), (53, 371944925), (55, 358419655), (121, 162918025), (265, 74388985), (275, 71683931), (583, 33813175), (605, 32583605), (1325, 14877797), (2915, 6762635), (3025, 6516721), (6413, 3073925), (14575, 1352527), (32065, 614785), (122957, 160325)]