19642356

素因数分解:

$2^2\times 3^2\times {\mathrm{545621}}^1$

素因数の和:545631

約数の個数: 18

約数和(自身を含む): 49651602

約数和(自身を除く): 30009246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545621, 1091242, 1636863, 2182484, 3273726, 4910589, 6547452, 9821178, 19642356]

約数ペア:

[(1, 19642356), (2, 9821178), (3, 6547452), (4, 4910589), (6, 3273726), (9, 2182484), (12, 1636863), (18, 1091242), (36, 545621)]