18965043

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 29678400

約数和(自身を除く): 10713357

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 261, 457, 477, 783, 1371, 1431, 1537, 4113, 4611, 12339, 13253, 13833, 24221, 39759, 41499, 72663, 119277, 217989, 357831, 653967, 702409, 2107227, 6321681, 18965043]

約数ペア:

[(1, 18965043), (3, 6321681), (9, 2107227), (27, 702409), (29, 653967), (53, 357831), (87, 217989), (159, 119277), (261, 72663), (457, 41499), (477, 39759), (783, 24221), (1371, 13833), (1431, 13253), (1537, 12339), (4113, 4611)]