18921435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5107}}^1$

素因数の和:5147

約数の個数: 32

約数和(自身を含む): 34325760

約数和(自身を除く): 15404325

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5107, 15321, 25535, 66391, 76605, 97033, 199173, 291099, 331955, 485165, 995865, 1261429, 1455495, 3784287, 6307145, 18921435]

約数ペア:

[(1, 18921435), (3, 6307145), (5, 3784287), (13, 1455495), (15, 1261429), (19, 995865), (39, 485165), (57, 331955), (65, 291099), (95, 199173), (195, 97033), (247, 76605), (285, 66391), (741, 25535), (1235, 15321), (3705, 5107)]