19401296

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4831}}^1$

素因数の和:5090

約数の個数: 20

約数和(自身を含む): 37747584

約数和(自身を除く): 18346288

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4831, 9662, 19324, 38648, 77296, 1212581, 2425162, 4850324, 9700648, 19401296]

約数ペア:

[(1, 19401296), (2, 9700648), (4, 4850324), (8, 2425162), (16, 1212581), (251, 77296), (502, 38648), (1004, 19324), (2008, 9662), (4016, 4831)]