18991736144

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6025297}}^1$

素因数の和:6025502

約数の個数: 20

約数和(自身を含む): 36983279124

約数和(自身を除く): 17991542980

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6025297, 12050594, 24101188, 48202376, 96404752, 1186983509, 2373967018, 4747934036, 9495868072, 18991736144]

約数ペア:

[(1, 18991736144), (2, 9495868072), (4, 4747934036), (8, 2373967018), (16, 1186983509), (197, 96404752), (394, 48202376), (788, 24101188), (1576, 12050594), (3152, 6025297)]