19473988

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131581}}^1$

素因数の和:131622

約数の個数: 12

約数和(自身を含む): 35000812

約数和(自身を除く): 15526824

約数列:

[1, 2, 4, 37, 74, 148, 131581, 263162, 526324, 4868497, 9736994, 19473988]

約数ペア:

[(1, 19473988), (2, 9736994), (4, 4868497), (37, 526324), (74, 263162), (148, 131581)]