19603952

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17257}}^1$

素因数の和:17336

約数の個数: 20

約数和(自身を含む): 38519856

約数和(自身を除く): 18915904

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17257, 34514, 69028, 138056, 276112, 1225247, 2450494, 4900988, 9801976, 19603952]

約数ペア:

[(1, 19603952), (2, 9801976), (4, 4900988), (8, 2450494), (16, 1225247), (71, 276112), (142, 138056), (284, 69028), (568, 34514), (1136, 17257)]