19802768

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{2039}}^1$

素因数の和:2654

約数の個数: 20

約数和(自身を含む): 38449920

約数和(自身を除く): 18647152

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2039, 2428, 4078, 4856, 8156, 9712, 16312, 32624, 1237673, 2475346, 4950692, 9901384, 19802768]

約数ペア:

[(1, 19802768), (2, 9901384), (4, 4950692), (8, 2475346), (16, 1237673), (607, 32624), (1214, 16312), (2039, 9712), (2428, 8156), (4078, 4856)]