19197819

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9342693

約数列:

[1, 3, 9, 53, 159, 167, 241, 477, 501, 723, 1503, 2169, 8851, 12773, 26553, 38319, 40247, 79659, 114957, 120741, 362223, 2133091, 6399273, 19197819]

約数ペア:

[(1, 19197819), (3, 6399273), (9, 2133091), (53, 362223), (159, 120741), (167, 114957), (241, 79659), (477, 40247), (501, 38319), (723, 26553), (1503, 12773), (2169, 8851)]