18144867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 9917853

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 521, 611, 741, 893, 1563, 1833, 2679, 6773, 9899, 11609, 20319, 24487, 29697, 34827, 73461, 128687, 318331, 386061, 465253, 954993, 1395759, 6048289, 18144867]

約数ペア:

[(1, 18144867), (3, 6048289), (13, 1395759), (19, 954993), (39, 465253), (47, 386061), (57, 318331), (141, 128687), (247, 73461), (521, 34827), (611, 29697), (741, 24487), (893, 20319), (1563, 11609), (1833, 9899), (2679, 6773)]