18950295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13883}}^1$

素因数の和:13911

約数の個数: 32

約数和(自身を含む): 37320192

約数和(自身を除く): 18369897

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13883, 41649, 69415, 97181, 180479, 208245, 291543, 485905, 541437, 902395, 1263353, 1457715, 2707185, 3790059, 6316765, 18950295]

約数ペア:

[(1, 18950295), (3, 6316765), (5, 3790059), (7, 2707185), (13, 1457715), (15, 1263353), (21, 902395), (35, 541437), (39, 485905), (65, 291543), (91, 208245), (105, 180479), (195, 97181), (273, 69415), (455, 41649), (1365, 13883)]