19819568

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33479}}^1$

素因数の和:33524

約数の個数: 20

約数和(自身を含む): 39439440

約数和(自身を除く): 19619872

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33479, 66958, 133916, 267832, 535664, 1238723, 2477446, 4954892, 9909784, 19819568]

約数ペア:

[(1, 19819568), (2, 9909784), (4, 4954892), (8, 2477446), (16, 1238723), (37, 535664), (74, 267832), (148, 133916), (296, 66958), (592, 33479)]