20181491686

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1\times {\mathrm{2707}}^1$

素因数の和:3976

約数の個数: 32

約数和(自身を含む): 31387821408

約数和(自身を除く): 11206329722

約数列:

[1, 2, 53, 61, 106, 122, 1153, 2306, 2707, 3233, 5414, 6466, 61109, 70333, 122218, 140666, 143471, 165127, 286942, 330254, 3121171, 3727649, 6242342, 7455298, 8751731, 17503462, 165422063, 190391431, 330844126, 380782862, 10090745843, 20181491686]

約数ペア:

[(1, 20181491686), (2, 10090745843), (53, 380782862), (61, 330844126), (106, 190391431), (122, 165422063), (1153, 17503462), (2306, 8751731), (2707, 7455298), (3233, 6242342), (5414, 3727649), (6466, 3121171), (61109, 330254), (70333, 286942), (122218, 165127), (140666, 143471)]