19883541

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 27369728

約数和(自身を除く): 7486187

約数列:

[1, 3, 37, 111, 271, 661, 813, 1983, 10027, 24457, 30081, 73371, 179131, 537393, 6627847, 19883541]

約数ペア:

[(1, 19883541), (3, 6627847), (37, 537393), (111, 179131), (271, 73371), (661, 30081), (813, 24457), (1983, 10027)]