19998281919

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3697}}^1\times {\mathrm{23417}}^1$

素因数の和:27135

約数の個数: 32

約数和(自身を含む): 33254309376

約数和(自身を除く): 13256027457

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 3697, 11091, 23417, 25879, 40667, 70251, 77637, 122001, 163919, 257587, 284669, 491757, 772761, 854007, 1803109, 5409327, 86572649, 259717947, 606008543, 952299139, 1818025629, 2856897417, 6666093973, 19998281919]

約数ペア:

[(1, 19998281919), (3, 6666093973), (7, 2856897417), (11, 1818025629), (21, 952299139), (33, 606008543), (77, 259717947), (231, 86572649), (3697, 5409327), (11091, 1803109), (23417, 854007), (25879, 772761), (40667, 491757), (70251, 284669), (77637, 257587), (122001, 163919)]