19882768

素因数分解:

$2^4\times {\mathrm{787}}^1\times {\mathrm{1579}}^1$

素因数の和:2374

約数の個数: 20

約数和(自身を含む): 38596240

約数和(自身を除く): 18713472

約数列:

[1, 2, 4, 8, 16, 787, 1574, 1579, 3148, 3158, 6296, 6316, 12592, 12632, 25264, 1242673, 2485346, 4970692, 9941384, 19882768]

約数ペア:

[(1, 19882768), (2, 9941384), (4, 4970692), (8, 2485346), (16, 1242673), (787, 25264), (1574, 12632), (1579, 12592), (3148, 6316), (3158, 6296)]