18686709178

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{15919}}^1$

素因数の和:16534

約数の個数: 32

約数和(自身を含む): 29836627200

約数和(自身を除く): 11149918022

約数列:

[1, 2, 29, 37, 58, 74, 547, 1073, 1094, 2146, 15863, 15919, 20239, 31726, 31838, 40478, 461651, 586931, 589003, 923302, 1173862, 1178006, 8707693, 17081087, 17415386, 34162174, 252523097, 322184641, 505046194, 644369282, 9343354589, 18686709178]

約数ペア:

[(1, 18686709178), (2, 9343354589), (29, 644369282), (37, 505046194), (58, 322184641), (74, 252523097), (547, 34162174), (1073, 17415386), (1094, 17081087), (2146, 8707693), (15863, 1178006), (15919, 1173862), (20239, 923302), (31726, 589003), (31838, 586931), (40478, 461651)]