19730877

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{787}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 26968512

約数和(自身を除く): 7237635

約数列:

[1, 3, 61, 137, 183, 411, 787, 2361, 8357, 25071, 48007, 107819, 144021, 323457, 6576959, 19730877]

約数ペア:

[(1, 19730877), (3, 6576959), (61, 323457), (137, 144021), (183, 107819), (411, 48007), (787, 25071), (2361, 8357)]