19922276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8543}}^1$

素因数の和:8611

約数の個数: 24

約数和(自身を含む): 38755584

約数和(自身を除く): 18833308

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8543, 17086, 34172, 93973, 187946, 375892, 452779, 905558, 1811116, 4980569, 9961138, 19922276]

約数ペア:

[(1, 19922276), (2, 9961138), (4, 4980569), (11, 1811116), (22, 905558), (44, 452779), (53, 375892), (106, 187946), (212, 93973), (583, 34172), (1166, 17086), (2332, 8543)]