1641296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5426

約数の個数: 20

約数和(自身を含む): 3348000

約数和(自身を除く): 1706704

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5399, 10798, 21596, 43192, 86384, 102581, 205162, 410324, 820648, 1641296]

約数ペア:

[(1, 1641296), (2, 820648), (4, 410324), (8, 205162), (16, 102581), (19, 86384), (38, 43192), (76, 21596), (152, 10798), (304, 5399)]