18028777

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1632

約数の個数: 16

約数和(自身を含む): 20885760

約数和(自身を除く): 2856983

約数列:

[1, 13, 19, 47, 247, 611, 893, 1553, 11609, 20189, 29507, 72991, 383591, 948883, 1386829, 18028777]

約数ペア:

[(1, 18028777), (13, 1386829), (19, 948883), (47, 383591), (247, 72991), (611, 29507), (893, 20189), (1553, 11609)]