19503904

素因数分解:

$2^5\times 7^1\times {\mathrm{87071}}^1$

素因数の和:87088

約数の個数: 24

約数和(自身を含む): 43884288

約数和(自身を除く): 24380384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 87071, 174142, 348284, 609497, 696568, 1218994, 1393136, 2437988, 2786272, 4875976, 9751952, 19503904]

約数ペア:

[(1, 19503904), (2, 9751952), (4, 4875976), (7, 2786272), (8, 2437988), (14, 1393136), (16, 1218994), (28, 696568), (32, 609497), (56, 348284), (112, 174142), (224, 87071)]