18882734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 31679424

約数和(自身を除く): 12796690

約数列:

[1, 2, 13, 26, 53, 71, 106, 142, 193, 386, 689, 923, 1378, 1846, 2509, 3763, 5018, 7526, 10229, 13703, 20458, 27406, 48919, 97838, 132977, 178139, 265954, 356278, 726259, 1452518, 9441367, 18882734]

約数ペア:

[(1, 18882734), (2, 9441367), (13, 1452518), (26, 726259), (53, 356278), (71, 265954), (106, 178139), (142, 132977), (193, 97838), (386, 48919), (689, 27406), (923, 20458), (1378, 13703), (1846, 10229), (2509, 7526), (3763, 5018)]