19819059

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10662861

約数列:

[1, 3, 13, 17, 39, 51, 167, 179, 221, 501, 537, 663, 2171, 2327, 2839, 3043, 6513, 6981, 8517, 9129, 29893, 36907, 39559, 89679, 110721, 118677, 388609, 508181, 1165827, 1524543, 6606353, 19819059]

約数ペア:

[(1, 19819059), (3, 6606353), (13, 1524543), (17, 1165827), (39, 508181), (51, 388609), (167, 118677), (179, 110721), (221, 89679), (501, 39559), (537, 36907), (663, 29893), (2171, 9129), (2327, 8517), (2839, 6981), (3043, 6513)]