19515104

素因数分解:

$2^5\times 7^1\times {\mathrm{87121}}^1$

素因数の和:87138

約数の個数: 24

約数和(自身を含む): 43909488

約数和(自身を除く): 24394384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 87121, 174242, 348484, 609847, 696968, 1219694, 1393936, 2439388, 2787872, 4878776, 9757552, 19515104]

約数ペア:

[(1, 19515104), (2, 9757552), (4, 4878776), (7, 2787872), (8, 2439388), (14, 1393936), (16, 1219694), (28, 696968), (32, 609847), (56, 348484), (112, 174242), (224, 87121)]