18944289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23131}}^1$

素因数の和:23157

約数の個数: 24

約数和(自身を含む): 33680192

約数和(自身を除く): 14735903

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23131, 69393, 161917, 208179, 300703, 485751, 902109, 1457253, 2104921, 2706327, 6314763, 18944289]

約数ペア:

[(1, 18944289), (3, 6314763), (7, 2706327), (9, 2104921), (13, 1457253), (21, 902109), (39, 485751), (63, 300703), (91, 208179), (117, 161917), (273, 69393), (819, 23131)]