19643286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3547}}^1$

素因数の和:3636

約数の個数: 32

約数和(自身を含む): 42916608

約数和(自身を除く): 23273322

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3547, 5538, 7094, 10641, 21282, 46111, 92222, 138333, 251837, 276666, 503674, 755511, 1511022, 3273881, 6547762, 9821643, 19643286]

約数ペア:

[(1, 19643286), (2, 9821643), (3, 6547762), (6, 3273881), (13, 1511022), (26, 755511), (39, 503674), (71, 276666), (78, 251837), (142, 138333), (213, 92222), (426, 46111), (923, 21282), (1846, 10641), (2769, 7094), (3547, 5538)]