19933089

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4409}}^1$

素因数の和:4560

約数の個数: 16

約数和(自身を含む): 29211840

約数和(自身を除く): 9278751

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4409, 4521, 13227, 48499, 145497, 604033, 1812099, 6644363, 19933089]

約数ペア:

[(1, 19933089), (3, 6644363), (11, 1812099), (33, 604033), (137, 145497), (411, 48499), (1507, 13227), (4409, 4521)]