19875952

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18541}}^1$

素因数の和:18616

約数の個数: 20

約数和(自身を含む): 39086536

約数和(自身を除く): 19210584

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18541, 37082, 74164, 148328, 296656, 1242247, 2484494, 4968988, 9937976, 19875952]

約数ペア:

[(1, 19875952), (2, 9937976), (4, 4968988), (8, 2484494), (16, 1242247), (67, 296656), (134, 148328), (268, 74164), (536, 37082), (1072, 18541)]